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Osaka-shi, Osaka, Japan

Yoshiharu c/o Katayama Chemical Inc Wakao

Average Co-Inventor Count = 1.00

ph-index = NA

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

Yoshiharu c/o Katayama Chemical Inc Wakao ↔ Yasuo Fukuyo (2 patents)Yoshiharu c/o Katayama Chemical Inc Wakao ↔ Takashi c7o Katayama Chemical Inc Mizumori (0 patent)Yoshiharu c/o Katayama Chemical Inc Wakao ↔ Takeaki /O Japan Ass Of Marine Safety Kikuchi (0 patent)Yoshiharu c/o Katayama Chemical Inc Wakao ↔ Takashi c/o Katayama Chemical Inc Mizumori (0 patent)Yoshiharu c/o Katayama Chemical Inc Wakao ↔ Takuro c/o Katayama Chemical Inc Tabuchi (0 patent)Yoshiharu c/o Katayama Chemical Inc WakaoYoshiharu c/o Katayama Chemical Inc Wakao (0 patent)Yasuo FukuyoYasuo Fukuyo (2 patents)Takashi c7o Katayama Chemical Inc MizumoriTakashi c7o Katayama Chemical Inc Mizumori (0 patent)Takeaki /O Japan Ass Of Marine Safety KikuchiTakeaki /O Japan Ass Of Marine Safety Kikuchi (0 patent)Takashi c/o Katayama Chemical Inc MizumoriTakashi c/o Katayama Chemical Inc Mizumori (0 patent)Takuro c/o Katayama Chemical Inc TabuchiTakuro c/o Katayama Chemical Inc Tabuchi (0 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Mitsui Engineering and Shipbuilding Company Limited (244 patents)

2. Katayama Chemical, Inc. (20 patents)

3. The Japan Association of Marine Safety (2 patents)

4. M.o. Marine Consulting, Ltd. (2 patents)

5. Shinko Ind. Ltd. (2 patents)

6. Marine Technology Institute Co., Ltd. (1 patent)

7. Laboratory of Aquatic Science Consultant Corporation (1 patent)


0 patent:

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12/17/2025
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