Growing community of inventors

Osaka, Japan

Kanji Takahashi

Average Co-Inventor Count = 2.79

ph-index = 7

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 = 153

Kanji TakahashiNobuyuki Hamanaka (12 patents)Kanji TakahashiHidekado Tokumoto (12 patents)Kanji TakahashiTsuneyuki Sugiura (4 patents)Kanji TakahashiMasanobu Uyama (2 patents)Kanji TakahashiJun Utsumi (1 patent)Kanji TakahashiSaburo Sone (1 patent)Kanji TakahashiAtsushi Kijima (1 patent)Kanji TakahashiHiroshi Ohkuma (1 patent)Kanji TakahashiTakao Tobe (1 patent)Kanji TakahashiKanji Takahashi (18 patents)Nobuyuki HamanakaNobuyuki Hamanaka (30 patents)Hidekado TokumotoHidekado Tokumoto (12 patents)Tsuneyuki SugiuraTsuneyuki Sugiura (7 patents)Masanobu UyamaMasanobu Uyama (2 patents)Jun UtsumiJun Utsumi (17 patents)Saburo SoneSaburo Sone (9 patents)Atsushi KijimaAtsushi Kijima (5 patents)Hiroshi OhkumaHiroshi Ohkuma (1 patent)Takao TobeTakao Tobe (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ono Pharmaceutical Co., Ltd. (15 from 575 patents)

2. Toray Industries, Inc. (2 from 3,481 patents)

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


18 patents:

1. 6924307 - Aminobutyric acid derivatives and pharmaceutical composition containing the same as active ingredient

2. 6569899 - 4-aminobutanoic acid derivatives and drugs containing these derivatives as the active ingredient

3. 6420427 - Aminobutyric acid derivatives

4. 6300514 - Aryl (sulfide, sulfoxide and sulfone) derivatives and drugs containing the same as the active ingredient

5. 6086869 - Use of interferon-.beta. or .gamma. to treat retinal edema

6. 5962439 - Fused benzeneoxyacetic acid derivatives

7. 5935985 - Phenoxyacetic acid derivatives

8. 5849919 - Fused benzeneoxyacetic acid derivatives which have PGI.sub.2 receptor

9. 5721206 - Pharmaceutical composition for use as a retinal pigment epithelial cell

10. 5703099 - Phenoxyacetic acid derivatives

11. 5596009 - Fused benzeneoxyacetic acid derivatives

12. 5589496 - Fused benzeneoxyacetic acid derivatives which have PGI.sub.2 receptor

13. 5536736 - Triazolyl-phenoxyacetic acid compounds which have useful pharmaceutical

14. 5480998 - Oxime derivative

15. 5461045 - Fused benzeneoxyacetic acid derivatives

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as of
1/7/2026
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