Growing community of inventors

Tokyo, Japan

Tamiki Koyama

Average Co-Inventor Count = 9.00

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 = 3

Tamiki Koyama ↔ Hideo Watanabe (1 patent)Tamiki Koyama ↔ Tomohiro Bessho (1 patent)Tamiki Koyama ↔ Yasuo Kajioka (1 patent)Tamiki Koyama ↔ Minoru Imai (1 patent)Tamiki Koyama ↔ Gaku Matsumoto (1 patent)Tamiki Koyama ↔ Takayoshi Ota (1 patent)Tamiki Koyama ↔ Tomoo Suzuki (1 patent)Tamiki Koyama ↔ Katuhiko Kimura (1 patent)Tamiki KoyamaTamiki Koyama (1 patent)Hideo WatanabeHideo Watanabe (38 patents)Tomohiro BesshoTomohiro Bessho (10 patents)Yasuo KajiokaYasuo Kajioka (7 patents)Minoru ImaiMinoru Imai (3 patents)Gaku MatsumotoGaku Matsumoto (2 patents)Takayoshi OtaTakayoshi Ota (1 patent)Tomoo SuzukiTomoo Suzuki (1 patent)Katuhiko KimuraKatuhiko Kimura (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shimizu Construction Co., Ltd. (1 from 116 patents)

2. Nippon Kokan K.k. (1 from 3 patents)


1 patent:

1. 4759663 - Method of placing concrete into a steel encasement

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12/5/2025
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