Growing community of inventors

Saitama, Japan

Kazuhiro Handa

Average Co-Inventor Count = 5.00

ph-index = 1

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 = 3

Kazuhiro Handa ↔ Masahiro Miyauchi (1 patent)Kazuhiro Handa ↔ Haruhiko Ikeda (1 patent)Kazuhiro Handa ↔ Fujio Takasaki (1 patent)Kazuhiro Handa ↔ Kenji Matsui (1 patent)Kazuhiro Handa ↔ Hisashi Wakasugi (1 patent)Kazuhiro Handa ↔ Takayuki Satoi (0 patent)Kazuhiro Handa ↔ Kenji Matsui (0 patent)Kazuhiro Handa ↔ Yasuhiro Kuniki (0 patent)Kazuhiro Handa ↔ Ryoichi Koga (0 patent)Kazuhiro Handa ↔ Yasuhiro Kuniki (0 patent)Kazuhiro HandaKazuhiro Handa (1 patent)Masahiro MiyauchiMasahiro Miyauchi (20 patents)Haruhiko IkedaHaruhiko Ikeda (14 patents)Fujio TakasakiFujio Takasaki (1 patent)Kenji MatsuiKenji Matsui (1 patent)Hisashi WakasugiHisashi Wakasugi (1 patent)Takayuki SatoiTakayuki Satoi (0 patent)Kenji MatsuiKenji Matsui (0 patent)Yasuhiro KunikiYasuhiro Kuniki (0 patent)Ryoichi KogaRyoichi Koga (0 patent)Yasuhiro KunikiYasuhiro Kuniki (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Paper Mills Limited (1 from 622 patents)

2. Tokyo Printing Ink Mfg. Co., Ltd. (1 from 9 patents)

3. Panasonic Intellectual Property Management Co., Ltd. (13,304 patents)


1 patent:

1. 8283285 - Scratch color-developable ink and invisible information printed sheet

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12/30/2025
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