Growing community of inventors

Ayabe, Japan

Toshimasa Toyooka

Average Co-Inventor Count = 2.00

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 = 11

Toshimasa Toyooka ↔ Shinichi Hamano (1 patent)Toshimasa ToyookaToshimasa Toyooka (1 patent)Shinichi HamanoShinichi Hamano (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Nitto Seiko Co., Ltd. (1 from 20 patents)


1 patent:

1. 7077038 - Screw having non-strip drive recess and driver bit for use with the screw

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as of
12/13/2025
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