Growing community of inventors

Hiroshima, Japan

Iwao Oiyama

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 = 0

Iwao Oiyama ↔ Shigetaka Ishii (1 patent)Iwao Oiyama ↔ Toshifumi Ohgawara (1 patent)Iwao Oiyama ↔ Shozo Kobayashi (1 patent)Iwao Oiyama ↔ Katsuichi Yoshinaga (1 patent)Iwao OiyamaIwao Oiyama (1 patent)Shigetaka IshiiShigetaka Ishii (2 patents)Toshifumi OhgawaraToshifumi Ohgawara (1 patent)Shozo KobayashiShozo Kobayashi (1 patent)Katsuichi YoshinagaKatsuichi Yoshinaga (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kikkoman Corporation (1 from 235 patents)

2. Director General of Fruit Tree Research Station Ministry of Agriculture, (1 from 1 patent)


1 patent:

1. 4940836 - Somatic hybrids of Rutaceae plants

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as of
12/18/2025
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