Growing community of inventors

Tokyo, Japan

Toshihisa Okamoto

Average Co-Inventor Count = 4.00

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

Toshihisa Okamoto ↔ Shigeru Yamamoto (1 patent)Toshihisa Okamoto ↔ Tomoyoshi Tsurufuji (1 patent)Toshihisa Okamoto ↔ Masaru Akiba (1 patent)Toshihisa OkamotoToshihisa Okamoto (1 patent)Shigeru YamamotoShigeru Yamamoto (4 patents)Tomoyoshi TsurufujiTomoyoshi Tsurufuji (1 patent)Masaru AkibaMasaru Akiba (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,718 patents)


1 patent:

1. 5829182 - Intra-line fishing rod

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12/12/2025
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