Growing community of inventors

Takatsuki, Japan

Osamu Toyoshima

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 = 2

Osamu Toyoshima ↔ Akio Morinaga (1 patent)Osamu Toyoshima ↔ Katsuaki Zenbayashi (1 patent)Osamu Toyoshima ↔ Shinji Shimokawa (1 patent)Osamu Toyoshima ↔ Hisao Otsuga (1 patent)Osamu ToyoshimaOsamu Toyoshima (1 patent)Akio MorinagaAkio Morinaga (13 patents)Katsuaki ZenbayashiKatsuaki Zenbayashi (3 patents)Shinji ShimokawaShinji Shimokawa (2 patents)Hisao OtsugaHisao Otsuga (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ashimori Kogyo Kabushiki Kaisha (1 from 23 patents)

2. Tokyo Gas Kabushiki Kaisha (1 from 9 patents)


1 patent:

1. 4882470 - Boring device for opening passages to branch portions of a lined main

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12/14/2025
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