Growing community of inventors

Tokyo, Japan

Kunihiro Ninomiya, Deceased

Average Co-Inventor Count = 7.00

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 = 11

Kunihiro Ninomiya, DeceasedAkihiro Tobe (3 patents)Kunihiro Ninomiya, DeceasedYasuhiro Morinaka (3 patents)Kunihiro Ninomiya, DeceasedMamoru Sugano (3 patents)Kunihiro Ninomiya, DeceasedTomoko Bessho (3 patents)Kunihiro Ninomiya, DeceasedHaruko Harada (3 patents)Kunihiro Ninomiya, DeceasedKen-ichi Saito (2 patents)Kunihiro Ninomiya, DeceasedKen-ichi Sato (1 patent)Kunihiro Ninomiya, DeceasedKunihiro Ninomiya, Deceased (3 patents)Akihiro TobeAkihiro Tobe (37 patents)Yasuhiro MorinakaYasuhiro Morinaka (34 patents)Mamoru SuganoMamoru Sugano (13 patents)Tomoko BesshoTomoko Bessho (4 patents)Haruko HaradaHaruko Harada (3 patents)Ken-ichi SaitoKen-ichi Saito (9 patents)Ken-ichi SatoKen-ichi Sato (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Chemical Corporation (2 from 2,351 patents)

2. Mitsubishi Kasei Corporation (1 from 499 patents)


3 patents:

1. 5861411 - 4-Acylaminopyridine derivative

2. 5536728 - 4-acylaminopyridine derivative

3. 5397785 - 4-acylaminopyridine derivative

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as of
1/5/2026
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