Growing community of inventors

Mishima-gun, Japan

Hisao Nakai

Average Co-Inventor Count = 2.72

ph-index = 6

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 = 134

Hisao NakaiYoshinobu Arai (6 patents)Hisao NakaiHiroshi Terashima (6 patents)Hisao NakaiMasanori Kawamura (4 patents)Hisao NakaiMasayasu Kurono (4 patents)Hisao NakaiTsumoru Miyamoto (3 patents)Hisao NakaiYoshifumi Kagamiishi (3 patents)Hisao NakaiKoumei Kamiyasu (3 patents)Hisao NakaiShingo Yamamoto (2 patents)Hisao NakaiShingo Nakatani (2 patents)Hisao NakaiTakashi Muryobayashi (2 patents)Hisao NakaiShigeru Sakuyama (2 patents)Hisao NakaiKatsuya Kishikawa (2 patents)Hisao NakaiTomomi Hirosaki (2 patents)Hisao NakaiNobuyuki Hamanaka (1 patent)Hisao NakaiYoshikazu Takaoka (1 patent)Hisao NakaiHiroshi Ochiai (1 patent)Hisao NakaiSusumu Yamamoto (1 patent)Hisao NakaiHiroshi Kido (1 patent)Hisao NakaiMikio Ogawa (1 patent)Hisao NakaiAkira Ohhata (1 patent)Hisao NakaiTakeshi Chiba (1 patent)Hisao NakaiHisao Nakai (25 patents)Yoshinobu AraiYoshinobu Arai (41 patents)Hiroshi TerashimaHiroshi Terashima (11 patents)Masanori KawamuraMasanori Kawamura (20 patents)Masayasu KuronoMasayasu Kurono (6 patents)Tsumoru MiyamotoTsumoru Miyamoto (13 patents)Yoshifumi KagamiishiYoshifumi Kagamiishi (8 patents)Koumei KamiyasuKoumei Kamiyasu (3 patents)Shingo YamamotoShingo Yamamoto (20 patents)Shingo NakataniShingo Nakatani (9 patents)Takashi MuryobayashiTakashi Muryobayashi (7 patents)Shigeru SakuyamaShigeru Sakuyama (3 patents)Katsuya KishikawaKatsuya Kishikawa (3 patents)Tomomi HirosakiTomomi Hirosaki (2 patents)Nobuyuki HamanakaNobuyuki Hamanaka (30 patents)Yoshikazu TakaokaYoshikazu Takaoka (23 patents)Hiroshi OchiaiHiroshi Ochiai (11 patents)Susumu YamamotoSusumu Yamamoto (11 patents)Hiroshi KidoHiroshi Kido (9 patents)Mikio OgawaMikio Ogawa (8 patents)Akira OhhataAkira Ohhata (3 patents)Takeshi ChibaTakeshi Chiba (2 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ono Pharmaceutical Co., Ltd. (24 from 574 patents)

2. Ono Pharmaceuticals Co., Ltd. (1 from 22 patents)


25 patents:

1. 7968572 - Nitrogen-containing heterocyclic compound and pharmaceutical application thereof

2. 7807688 - Tri-heterocyclic compounds and a pharmaceutical comprising them as an active ingredient

3. 7713998 - Nitrogenous heterocyclic compound and pharmaceutical use thereof

4. 7649095 - Piperidine derivatives and agent comprising the derivative as active ingredient

5. 7459459 - Tri-heterocyclic compounds and a pharmaceutical comprising them as an active ingredient

6. 7378428 - Nitrogen-containing bicyclic compounds and drugs containing the same as the active ingredient

7. 7109342 - Piperidine derivatives and agent comprising the derivative as active ingredient

8. 7034153 - Tricyclic and heterocyclic derivative compounds and drugs containing these compounds as the active ingredient

9. 6583177 - Leukotriene B4 antagonist compounds and method for treatment

10. 6388122 - Tryptase inhibitor and novel guanidino derivatives

11. 6262114 - Leukotriene B4 antagonist compounds and method for treatment

12. 5622984 - Amidinophenol derivatives

13. 5614555 - Amidinophenol derivatives

14. 5514713 - Amidinophenol derivatives

15. 5432178 - Amidinophenol derivatives

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12/7/2025
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