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Pilot Corporation·JP·gel

Pilot Corporation

Hi-Tec-C

1994

in production

Legend rubric4 of 7
136 mm
Fig. 1 · technical drawing generated from catalogue dimensions

Three candidates: a nineteenth-century portrait lithograph, a set of a dozen different pens on a desk, and a frame in which the model cannot be read. None serves either as illustration or as confirmation.

The Hi-Tec-C is not an invention from nothing but a combination of two earlier Pilot things: the tubular tip with three-point ball support, which debuted in the water-based Hi-Tecpoint in 1980, and gel ink, which the company introduced in 1993. The model launched in May 1994 with a 0.3 mm ball.

Gel ink itself does not belong to Pilot. Sakura developed it in 1984. Pilot added the geometry that allowed line widths below anything then available — and that is its real contribution.

A claim that looks like a jury verdict

The Good Design record contains a sentence about Pilot as the pioneer that established this category. The press subsequently quotes it as an external assessment.

It sits in the descriptive fields filled in by the applicant, not in the jury's citation. It is a manufacturer's self-claim placed inside an official document — a form that misleads, because the document is institutional while the content is not.

So we do not count the technical first. Competitors entered the ultra-fine class very quickly: the uni-ball Signo 0.38 mm went on sale in July 1996, two years after the Hi-Tec-C. Two years is too short to speak of this model establishing a standard.

The award exists, but not that one and not then

An award of Long Life Design from 2022 circulates. We checked the full list of twenty-one laureates for that edition: among Pilot products it holds the Iroshizuku inks, and the Hi-Tec-C is absent.

The award is real, only ten years earlier — 2012, number 12L001128. The circulating "2022" is a displaced record of the actual honour. The design-recognition criterion is therefore met, but on the correct date.

Nor was the model alone in being recognised: the HI-TEC Knock (2002), the Coleto (2006), the Coleto Lumio (2012) and the Coleto 1000 (2015) are four separate entries from the same family.

The model is not in MoMA's collection — the museum's full dataset contains no record matching "Hi-Tec".

A refill that other companies machine barrels for

This is the model's most interesting trace and the basis for the seventh criterion.

The Hi-Tec-C refill format became a reference point for makers of metal barrels: CW&T's Pen Type-A, from a 2011 Kickstarter campaign and still sold with the 0.3 mm refill, and the Karas Kustoms Render K in its version for this refill. That is a parts market in pure form — outside firms designing housings around someone else's cartridge.

One caveat: Pen Type-A's maker states the pen entered Cooper Hewitt's permanent collection in 2023. We could not confirm this with a museum record, so we do not count it.

What changed

Not the construction, but the palette and the audience. The 2012 record speaks of thirty-one colours; the Japanese Wikipedia records mass withdrawals around 2015 (ten remained) and six more in 2022.

The audience shifted too — from businessmen with diaries to schoolgirls and schoolboys after 1998, along with the arrival of metallic colours. The model outlived a change in its own market without changing its construction, which is rarer than it sounds.

Specification

Introduced
1994
Status
in production
Category
gel
Designed in
JP
Mechanism
capped
Cross-section
round
Materials
plastic (barrel and cap), stainless steel (pipe tip)
Finishes
clear plastic barrel, two-tone barrel (limited 80's series, 2025)
Length
136 mm
Diameter
11.6 mm
Weight
10.2 g
Market tier
entry

Refill

Standard
Pilot BLS-HC
Factory code
BLS-HC4

The capped stick Hi-Tec-C takes Pilot's proprietary BLS-HC gel refill, numbered by ball size: BLS-HC25 (0.25 mm), BLS-HC3 (0.3), BLS-HC4 (0.4), BLS-HC5 (0.5). Retailers outside Japan still list BLS-HC4 explicitly as the Hi-Tec-C refill. However, Pilot's own Japanese web catalogue entry for LH-20C4 now states "替え芯はご用意しておりません。" (no refill is offered), so on the home market the pen is effectively sold as non-refillable. LHRF is a different code: LHRF-20C4 and LHSRF-8C4 belong to the multi-pen and knock-type Hi-Tec-C derivatives, and LHKRF to the Hi-Tec-C Coleto system; none of them is the refill for the capped stick model. No existing refill standard in the database matches BLS-HC, and no alternative refill from another line or brand could be confirmed to fit, so the alternatives list is empty.

Legend rubric

Criteria met 4 of 7

A model qualifies on at least two criteria. Every criterion marked as met must cite a source.

Evidence outside the score

Applies to the product line or the brand, not to this model. Does not count toward the score.

  • Design recognition evidence applies to: the product line

    Beyond the model itself, the whole Hi-Tec-C family holds Good Design Awards: HI-TEC Knock LHK-10C5/LHK-10C7 (2002, no. 02A01031), Hi-Tec-C Coleto (2006, no. 06A10006), Coleto Lumio (2012, no. 12GA10151), Coleto 1000 (2015, no. 15G010051) — all filed by Pilot in the stationery category.

Where to buy

We do not list prices. We list a market tier and the date each link was last checked.

  • PILOT Corporation — katalog internetowy (webcatalog.pilot.co.jp)JPmanufacturerverified 08/12/2026

    Pilot Japan's official product catalogue (old pilot.co.jp/products/... URLs now redirect here). Manufacturer reference page, not a shop — no direct sales.

  • JetPensUSspecialistverified 08/12/2026

    The shop also keeps a product-line page, "Pilot Hi-Tec-C Gel Pens - Standard" (/ct/284), covering 0.25-0.5 mm variants and colours. Ships internationally.

  • Yodobashi Camera (yodobashi.com)JPspecialistverified 08/12/2026

    First-party retail, not a marketplace. The same catalogue lists the ハイテックC03 (LH-20C3) variants and Coleto components.

  • Amazon.plPLmarketplaceverified 08/12/2026

    An ASIN product card, not a single-seller offer link. Another PL listing, Hi-Tec-C Maica LHM-15C4-B (ASIN B00B46F1O4), showed as currently unavailable. No Polish specialist shop was found stocking it under the Hi-Tec-C name — in Poland Pilot distributes the pen as G-TEC-C4.

  • Cult PensUKspecialistverified 08/12/2026

    Sold under the European G-Tec-C4 name (same pen and ink as the Hi-Tec-C). The single black variant was on backorder when checked; the assorted wallet of 10 was listed as available.

  • PenStore.nlEUspecialistverified 08/12/2026

    Dutch shop; the Hi-Tec-C line is offered under the European G-Tec-C name, 0.4 mm needle tip.

Sources

  1. 01
    PILOT 100周年記念サイト — 100年の歴史

    manufacturer · accessed 08/12/2026

    1994 0.3ミリボールの激細ボールペン「ハイテックC」製造、販売開始
  2. 02
    PILOT かく、を学ぶ — 0.3mmという激細時代を切り開いた「ハイテックC」(1994年発売)

    manufacturer · accessed 08/12/2026

    1994年発売の、当時世界でもっとも直径の小さい、0.3mmのボールを搭載したゲルインキボールペン。
  3. 03
    PILOTウェブカタログ — LH-20C4-B|ハイテックC04

    manufacturer · accessed 08/12/2026

    替え芯はご用意しておりません。(軸・キャップ:樹脂/方式:キャップ式/全長136mm/最大径φ11.6mm/質量10.2g/水性バイオポリマーインキ/ボール径0.4mm)
  4. 04
    PILOT プレスリリース — ゲルインキボールペン『ハイテックC 80'sシリーズ』数量限定発売 (2025-02-07)

    manufacturer · accessed 08/12/2026

    1994年の発売当時、世界で最も小さい直径0.3mmのボール
  5. 05
    GOOD DESIGN AWARD (g-mark) — HI-TEC-C, ロングライフデザイン賞 2012

    other · accessed 08/12/2026

    HI-TEC-C — PILOT CORPORATION — 受賞番号 12L001128 (2012, GOOD DESIGN LONG LIFE DESIGN AWARD); 1994年に登場したこのハイテックC
  6. 06
    &GP — 0.3mmゲルインクボールペン「ハイテックC」が発売30周年!記念限定モデルが登場

    press · accessed 08/12/2026

    0.25mm、0.3mm、0.4mm、0.5mmと細書きに適したボール径を4種類ラインアップ
  7. 07
    ハイテックC — Wikipedia (ja)

    community · accessed 08/12/2026

    3点支持方式は1981年に発売された「ハイテックポイント」に初めて搭載された技術(コレトは2005年10月発売、ノックは1998年発売)
  8. 08
    価格.com — パイロット ハイテックC 04 LH-20C4-B スペック

    retailer · accessed 08/12/2026

    全長136mm/最大径11.6mm/質量10.2g/ボール径0.4mm
  9. 09
    Stationery Pal — Pilot Hi-Tec-C Gel Pen 0.4 mm Black

    retailer · accessed 08/12/2026

    3 dimples on the fine stainless steel pipe with a ball mounted in between
  10. 10
  11. 11
    TT Pen — Pilot Hi-Tec-C Gel Pen Refill 0.4mm BLS-HC4

    retailer · accessed 08/12/2026

    BLS-HC4
  12. 12
    Saiko Stationery — Pilot Hi-Tec-C Gel Pens Black (0.25/0.3/0.4/0.5 mm)

    retailer · accessed 08/12/2026

    precise needle point ... thin clear barrel
  13. 13
    アスクル — 「ハイテックC パイロット 替え芯」の特集

    retailer · accessed 08/12/2026

    LHKRF(ハイテックCコレト替芯)/LHSRF-8C4-B(ゲルインクボールペン替芯)
  14. 14
    0.3mmという激細時代を切り開いた「ハイテックC」(1994年発売)| かく、を学ぶ | PILOT

    manufacturer · accessed 08/12/2026

    1994年発売の、当時世界でもっとも直径の小さい、0.3mmのボールを搭載したゲルインキボールペン
  15. 15
    Good Design Award — rekord laureata 12L001128 (ハイテックC, グッドデザイン・ロングライフデザイン賞 2012)

    other · accessed 08/12/2026

    "year": 2012, "awardNo": "12L001128", "awardNameJa": "グッドデザイン・ロングライフデザイン賞", "productNameJa": "ハイテックC", "businessOwnerJa": "株式会社パイロットコーポレーション", "releaseDate": "1994-05-01" — 概要: 「…今日、細書きカラーボールペン市場は競合商品も含め賑わいをみせているが、そのカテゴリーを創出したパイオニアである。」
  16. 16
    Good Design Award — lista laureatów dla frazy ハイテックC (10 rekordów)

    other · accessed 08/12/2026

    HI-TEC-C coleto(ハイテックCコレト) — 株式会社パイロットコーポレーション
  17. 17
  18. 18
    ゲルインキボールペン『ハイテックC 80'sシリーズ』数量限定発売 | プレスリリース | PILOT

    manufacturer · accessed 08/12/2026

    1994年の発売当時、世界で最も小さい直径0.3mmのボールを搭載したゲルインキボールペン
  19. 19
    ハイテックC — Wikipedia (japońska)

    other · accessed 08/12/2026

    ペン先には、パイプに3つのくぼみをつけて極細のボールを支える「3点支持方式」を採用
  20. 20
    Museum of Modern Art — otwarty zbiór danych kolekcji (Artworks.csv)

    museum · accessed 08/12/2026

    Title,Artist,ConstituentID,ArtistBio,Nationality,BeginDate,EndDate,Gender,Date,Medium,Dimensions,CreditLine,AccessionNumber,Classification,Department,DateAcquired
  21. 21
  22. 22
    ~会社の歴史~サクラクレパスについて | 株式会社サクラクレパス

    manufacturer · accessed 08/12/2026

    1984年(昭和59年)、サクラクレパスが世界ではじめて「水性顔料ゲルインキ」を開発しました。
  23. 23
    【新製品】「ハイテックC」の発売30周年を記念したレトロデザインの「ハイテックC 80's シリーズ」| 文具のとびら

    press · accessed 08/12/2026

    【新製品】「ハイテックC」の発売30周年を記念したレトロデザインの「ハイテックC 80’s シリーズ」
  24. 24
    0.3mmゲルインクボールペン「ハイテックC」が発売30周年!記念限定モデルが登場 | &GP

    press · accessed 08/12/2026

    1994年に登場し、当時世界最小のボール径0.3mmを実現した細書きボールペンの先駆けとして人気を博したパイロット「ハイテックC」
  25. 25
    The Gentleman Stationer — teksty oznaczone tagiem „Pilot Hi-Tec-C”

    community · accessed 08/12/2026

    I chose the version of the Render K that accepts Pilot's Hi-Tec-C refill
  26. 26
    Pilot Hi-tec-c review | The Pencilcase Blog (26.06.2013)

    community · accessed 08/12/2026

    It isn't really smooth, but any pen that writes this fine will be scratchy.
  27. 27
    Pen Type-A — CW&T

    manufacturer · accessed 08/12/2026

    a Black Pilot Hi-Tec-C 0.3mm ink cartridge
  28. 28
    Gift Guide: The Pen Type-A | TechCrunch (26.11.2012)

    press · accessed 08/12/2026

    Compatible with 0.25, 0.3, 0.4 and 0.5 Hi-Tec C ink cartridges.

Plate 14 / 23

Sources: 28 · last accessed 2026-08-12