Growing community of inventors

Ibaraki, Japan

Tomoaki Iwasa

Average Co-Inventor Count = 6.00

ph-index = 1

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 = 29

Tomoaki Iwasa ↔ Masashi Hashimoto (1 patent)Tomoaki Iwasa ↔ Hiroshi Kayakiri (1 patent)Tomoaki Iwasa ↔ Hidekazu Takeno (1 patent)Tomoaki Iwasa ↔ Akira Kagayama (1 patent)Tomoaki Iwasa ↔ Yuji Tokunaga (1 patent)Tomoaki IwasaTomoaki Iwasa (1 patent)Masashi HashimotoMasashi Hashimoto (186 patents)Hiroshi KayakiriHiroshi Kayakiri (40 patents)Hidekazu TakenoHidekazu Takeno (26 patents)Akira KagayamaAkira Kagayama (10 patents)Yuji TokunagaYuji Tokunaga (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujisawa Pharmaceutical Company, Ltd. (1 from 940 patents)


1 patent:

1. 4772594 - Prodrug compounds, process for the preparation thereof and sustained

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as of
1/11/2026
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