Growing community of inventors

Tokyo, Japan

Hitoshi Takeuchi

Average Co-Inventor Count = 3.69

ph-index = 2

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 = 8

Hitoshi TakeuchiHiroshi Shionoya (3 patents)Hitoshi TakeuchiNozomu Koyanagi (2 patents)Hitoshi TakeuchiHaruyoshi Arai (2 patents)Hitoshi TakeuchiHironori Abe (1 patent)Hitoshi TakeuchiKazunori Handa (1 patent)Hitoshi TakeuchiDaizo Ogino (1 patent)Hitoshi TakeuchiGunki Funatsu (1 patent)Hitoshi TakeuchiHitoshi Takeuchi (4 patents)Hiroshi ShionoyaHiroshi Shionoya (11 patents)Nozomu KoyanagiNozomu Koyanagi (17 patents)Haruyoshi AraiHaruyoshi Arai (8 patents)Hironori AbeHironori Abe (9 patents)Kazunori HandaKazunori Handa (8 patents)Daizo OginoDaizo Ogino (4 patents)Gunki FunatsuGunki Funatsu (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Eisai Company, Limited (3 from 677 patents)

2. Mitsubishi Jidosha Kogyo Kabushiki Kaisha (1 from 1,625 patents)


4 patents:

1. 11981321 - Controller for vehicle

2. 4490362 - Immunopotentiator comprising the B chain of ricin as an active ingredient

3. 4459287 - Immunopotentiator containing recin

4. 4414201 - Immunopotentiator containing abrin

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as of
12/5/2025
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