Growing community of inventors

Kakamigahara, Japan

Katsuhiro Iwai

Average Co-Inventor Count = 5.00

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 = 26

Katsuhiro Iwai ↔ Keisuke Yamamoto (2 patents)Katsuhiro Iwai ↔ Takashi Goto (2 patents)Katsuhiro Iwai ↔ Akihiro Yasuda (1 patent)Katsuhiro Iwai ↔ Keiko Yamamoto (1 patent)Katsuhiro Iwai ↔ Toshikazu Miura (1 patent)Katsuhiro Iwai ↔ Shota Nagao (1 patent)Katsuhiro IwaiKatsuhiro Iwai (2 patents)Keisuke YamamotoKeisuke Yamamoto (7 patents)Takashi GotoTakashi Goto (2 patents)Akihiro YasudaAkihiro Yasuda (9 patents)Keiko YamamotoKeiko Yamamoto (2 patents)Toshikazu MiuraToshikazu Miura (2 patents)Shota NagaoShota Nagao (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Menicon Co., Ltd. (2 from 241 patents)


2 patents:

1. D899081 - Contact lens case

2. D813537 - Contact lens case

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as of
12/8/2025
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