Growing community of inventors

Tokyo, Japan

Tatsuro Obi

Average Co-Inventor Count = 4.44

ph-index = 3

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 = 30

Tatsuro ObiTadashi Tanaka (4 patents)Tatsuro ObiTeruo Koyama (2 patents)Tatsuro ObiAtsushi Hasegawa (1 patent)Tatsuro ObiKeiichi Tanikawa (1 patent)Tatsuro ObiTakashi Matsubara (1 patent)Tatsuro ObiTakao Saito (1 patent)Tatsuro ObiYuko Takeuchi (1 patent)Tatsuro ObiNobuichi Arai (1 patent)Tatsuro ObiSusumu Otsuka (1 patent)Tatsuro ObiAkio Watanabe (1 patent)Tatsuro ObiTatsuro Obi (4 patents)Tadashi TanakaTadashi Tanaka (11 patents)Teruo KoyamaTeruo Koyama (2 patents)Atsushi HasegawaAtsushi Hasegawa (15 patents)Keiichi TanikawaKeiichi Tanikawa (7 patents)Takashi MatsubaraTakashi Matsubara (6 patents)Takao SaitoTakao Saito (5 patents)Yuko TakeuchiYuko Takeuchi (3 patents)Nobuichi AraiNobuichi Arai (2 patents)Susumu OtsukaSusumu Otsuka (2 patents)Akio WatanabeAkio Watanabe (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Steel Corporation (4 from 3,563 patents)

2. Toagosei Chemical Industry, Co., Ltd. (1 from 65 patents)

3. Sakuranomiya Chemical Co., Ltd (1 from 2 patents)


4 patents:

1. 4177323 - Coated metal sheet for use in producing a drawn and ironed can body

2. 4160056 - Steel sheet for DrD cans and DI cans

3. 4104419 - Surface treatment of a tin-plate

4. 3932144 - Coated metallic sheet for use in making a container

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as of
12/30/2025
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