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Minato-ku, Tokyo, Japan

Takeaki /O Japan Ass Of Marine Safety Kikuchi

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

Takeaki /O Japan Ass Of Marine Safety Kikuchi ↔ Yasuo Fukuyo (2 patents)Takeaki /O Japan Ass Of Marine Safety Kikuchi ↔ Takashi c7o Katayama Chemical Inc Mizumori (0 patent)Takeaki /O Japan Ass Of Marine Safety Kikuchi ↔ Takuro c/o Katayama Chemical Inc Tabuchi (0 patent)Takeaki /O Japan Ass Of Marine Safety Kikuchi ↔ Yoshiharu c/o Katayama Chemical Inc Wakao (0 patent)Takeaki /O Japan Ass Of Marine Safety KikuchiTakeaki /O Japan Ass Of Marine Safety Kikuchi (0 patent)Yasuo FukuyoYasuo Fukuyo (2 patents)Takashi c7o Katayama Chemical Inc MizumoriTakashi c7o Katayama Chemical Inc Mizumori (0 patent)Takuro c/o Katayama Chemical Inc TabuchiTakuro c/o Katayama Chemical Inc Tabuchi (0 patent)Yoshiharu c/o Katayama Chemical Inc WakaoYoshiharu c/o Katayama Chemical Inc Wakao (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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12/16/2025
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