Growing community of inventors

Gyoda, Japan

Yoshio Ohtagaki

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 = 1

Yoshio Ohtagaki ↔ Motonobu Masui (1 patent)Yoshio Ohtagaki ↔ Akio Uchida (1 patent)Yoshio Ohtagaki ↔ Masafumi Ochi (1 patent)Yoshio Ohtagaki ↔ Kanichi Tachibana (1 patent)Yoshio OhtagakiYoshio Ohtagaki (1 patent)Motonobu MasuiMotonobu Masui (5 patents)Akio UchidaAkio Uchida (4 patents)Masafumi OchiMasafumi Ochi (2 patents)Kanichi TachibanaKanichi Tachibana (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Iwasaki Electric Co., Ltd. (1 from 68 patents)

2. Mitsubishi Mining and Cement Co. Ltd. (1 from 65 patents)


1 patent:

1. 4567403 - High pressure discharge lamp with incorporated starter

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as of
12/14/2025
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