Growing community of inventors

Osaka, Japan

Ritsuo Hama

Average Co-Inventor Count = 3.00

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 = 4

Ritsuo HamaKazuo Ito (1 patent)Ritsuo HamaToshiyuki Kudo (1 patent)Ritsuo HamaRitsuo Hama (1 patent)Kazuo ItoKazuo Ito (6 patents)Toshiyuki KudoToshiyuki Kudo (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sanyo Electric Co., Ltd. (1 from 8,777 patents)


1 patent:

1. 4697074 - Thermally improved photodetector having a roughened, recessed, raised or

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12/12/2025
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