Growing community of inventors

Takarazuka, Japan

Kazuo Ohnawa

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 = 21

Kazuo Ohnawa ↔ Setsuji Edagawa (1 patent)Kazuo Ohnawa ↔ Hisashi Hasegawa (1 patent)Kazuo Ohnawa ↔ Hiroji Shibazaki (1 patent)Kazuo Ohnawa ↔ Satoshi Kondo (1 patent)Kazuo OhnawaKazuo Ohnawa (1 patent)Setsuji EdagawaSetsuji Edagawa (9 patents)Hisashi HasegawaHisashi Hasegawa (7 patents)Hiroji ShibazakiHiroji Shibazaki (7 patents)Satoshi KondoSatoshi Kondo (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shiraishi Kogyo Kaisha, Ltd. (1 from 23 patents)


1 patent:

1. 4159312 - Calcium carbonate powders

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12/18/2025
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