Growing community of inventors

Saitama, Japan

Koichi Ohta

Average Co-Inventor Count = 1.36

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 = 8

Koichi OhtaMasahiro Yoshida (1 patent)Koichi OhtaJun Hariu (1 patent)Koichi OhtaDaisuke Tokumura (9 patents)Koichi OhtaKunihiro Notsu (1 patent)Koichi OhtaFuyuki Hosakawa (1 patent)Koichi OhtaHanako Kataoka (0 patent)Koichi OhtaKoichi Ohta (3 patents)Masahiro YoshidaMasahiro Yoshida (84 patents)Jun HariuJun Hariu (14 patents)Daisuke TokumuraDaisuke Tokumura (9 patents)Kunihiro NotsuKunihiro Notsu (6 patents)Fuyuki HosakawaFuyuki Hosakawa (1 patent)Hanako KataokaHanako Kataoka (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shindengen Electric Manufacturing Company Limited (2 from 356 patents)

2. Honda Motor Co., Ltd. (1 from 21,862 patents)


3 patents:

1. 8336968 - Brake apparatus for two-wheeled vehicle

2. 5483086 - Four layer semiconductor surge protector having plural short-circuited

3. 5352905 - Semiconductor surge suppressor

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as of
12/10/2025
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