Growing community of inventors

Ageo, Japan

Tunehiko Ohya

Average Co-Inventor Count = 7.00

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 = 9

Tunehiko Ohya ↔ Fumio Suzuki (1 patent)Tunehiko Ohya ↔ Yoshihiro Fujikawa (1 patent)Tunehiko Ohya ↔ Takashi Ikai (1 patent)Tunehiko Ohya ↔ Susumu Yamamoto (1 patent)Tunehiko Ohya ↔ Toshihiko Oguchi (1 patent)Tunehiko Ohya ↔ Hidemi Mizutani (1 patent)Tunehiko OhyaTunehiko Ohya (1 patent)Fumio SuzukiFumio Suzuki (26 patents)Yoshihiro FujikawaYoshihiro Fujikawa (18 patents)Takashi IkaiTakashi Ikai (12 patents)Susumu YamamotoSusumu Yamamoto (10 patents)Toshihiko OguchiToshihiko Oguchi (1 patent)Hidemi MizutaniHidemi Mizutani (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nissan Chemical Industries Limited (1 from 1,235 patents)


1 patent:

1. 4447256 - N-(Unsubstituted or substituted pyridyl)aminomethylene-diphosphonic

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12/7/2025
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