Growing community of inventors

Nagano, Japan

Yukio Kuroiwa

Average Co-Inventor Count = 2.00

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 82

Yukio KuroiwaFumito Komatsu (2 patents)Yukio KuroiwaMitsuo Yokozawa (2 patents)Yukio KuroiwaKiyotsugu Takasawa (2 patents)Yukio KuroiwaEiji Imai (1 patent)Yukio KuroiwaYukio Kuroiwa (4 patents)Fumito KomatsuFumito Komatsu (47 patents)Mitsuo YokozawaMitsuo Yokozawa (16 patents)Kiyotsugu TakasawaKiyotsugu Takasawa (9 patents)Eiji ImaiEiji Imai (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sankyo Seiki Mfg. Co., Ltd (3 from 264 patents)

2. Kabushiki Kaisha Sankyo Seiki Seisakusho (1 from 307 patents)


4 patents:

1. 6814830 - Hot-stamping foil tape cassette and foil-peeling mechanism for hot-stamping device and peeling method for hot-stamping foil a control method for hot-stamping foil tape cassette

2. 6679427 - Magnetic card reader

3. 6672357 - Hot-stamping device

4. 6199760 - Magnetic card reader and card taking-in method for magnetic card

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as of
12/17/2025
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