Growing community of inventors

Tokyo, Japan

Takashi Nishiyama

Average Co-Inventor Count = 1.40

ph-index = 3

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 = 127

Takashi Nishiyama ↔ Teruki Takayasu (1 patent)Takashi Nishiyama ↔ Susumu Yoshikawa (1 patent)Takashi Nishiyama ↔ Kinji Onoda (1 patent)Takashi Nishiyama ↔ Hiromasa Ogawa (1 patent)Takashi Nishiyama ↔ Yuko Tanaka (1 patent)Takashi Nishiyama ↔ Masatada Makino (1 patent)Takashi NishiyamaTakashi Nishiyama (3 patents)Teruki TakayasuTeruki Takayasu (9 patents)Susumu YoshikawaSusumu Yoshikawa (8 patents)Kinji OnodaKinji Onoda (6 patents)Hiromasa OgawaHiromasa Ogawa (2 patents)Yuko TanakaYuko Tanaka (1 patent)Masatada MakinoMasatada Makino (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (3 from 832,718 patents)


3 patents:

1. 6776918 - Titanium composite material

2. 5093940 - Lens exchangeable goggle

3. 4564960 - Device for fixing a belt of goggles

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idiyas.com
as of
12/9/2025
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