Growing community of inventors

Okayama, Japan

Hisayoshi Tokunaga

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 = 4

Hisayoshi Tokunaga ↔ Toshiyuki Kobuchi (1 patent)Hisayoshi Tokunaga ↔ Touru Abe (1 patent)Hisayoshi Tokunaga ↔ Takeshi Kobashi (1 patent)Hisayoshi TokunagaHisayoshi Tokunaga (1 patent)Toshiyuki KobuchiToshiyuki Kobuchi (2 patents)Touru AbeTouru Abe (2 patents)Takeshi KobashiTakeshi Kobashi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabashi Kogyo Co., Ltd. (1 from 1 patent)


1 patent:

1. 5431231 - Harvester for root vegetables

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as of
12/19/2025
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