Growing community of inventors

Saitama, Japan

Eri Tsukada

Average Co-Inventor Count = 4.29

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 = 23

Eri TsukadaSatoru Narizuka (3 patents)Eri TsukadaTakashi Kume (3 patents)Eri TsukadaMichio Ishida (1 patent)Eri TsukadaMikio Ujiie (1 patent)Eri TsukadaTakahiro Koizumi (1 patent)Eri TsukadaShozo Kaneda (1 patent)Eri TsukadaSeiji Takasaki (1 patent)Eri TsukadaEri Tsukada (3 patents)Satoru NarizukaSatoru Narizuka (49 patents)Takashi KumeTakashi Kume (17 patents)Michio IshidaMichio Ishida (7 patents)Mikio UjiieMikio Ujiie (3 patents)Takahiro KoizumiTakahiro Koizumi (3 patents)Shozo KanedaShozo Kaneda (1 patent)Seiji TakasakiSeiji Takasaki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Central Glass Company, Limited (3 from 1,002 patents)


3 patents:

1. 6506951 - Process for producing brominated trifluoromethylbenzenes

2. 6376712 - Process for producing trifluoromethylbenzylamines

3. 6175041 - Process for producing trifluoromethylbenzylamines

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as of
1/7/2026
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