Growing community of inventors

Tokyo, Japan

Masayoshi Otsuka

Average Co-Inventor Count = 7.00

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 = 6

Masayoshi OtsukaYasuo Tsubai (1 patent)Masayoshi OtsukaShigeyoshi Suzuki (1 patent)Masayoshi OtsukaSadao Kuriu (1 patent)Masayoshi OtsukaShin Nakagawa (1 patent)Masayoshi OtsukaToshihito Maruyama (1 patent)Masayoshi OtsukaKunihiro Fukushima (1 patent)Masayoshi OtsukaMasayoshi Otsuka (1 patent)Yasuo TsubaiYasuo Tsubai (33 patents)Shigeyoshi SuzukiShigeyoshi Suzuki (17 patents)Sadao KuriuSadao Kuriu (11 patents)Shin NakagawaShin Nakagawa (9 patents)Toshihito MaruyamaToshihito Maruyama (3 patents)Kunihiro FukushimaKunihiro Fukushima (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Paper Mills Limited (1 from 622 patents)


1 patent:

1. 6478483 - Apparatus for processing photosensitive material

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12/27/2025
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