Growing community of inventors

Fujimi, Japan

Hajime Iwase

Average Co-Inventor Count = 2.40

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 = 18

Hajime IwaseMasaaki Sato (1 patent)Hajime IwaseAkira Osanai (1 patent)Hajime IwaseMichio Kusuyama (1 patent)Hajime IwaseHajime Iwase (2 patents)Masaaki SatoMasaaki Sato (60 patents)Akira OsanaiAkira Osanai (54 patents)Michio KusuyamaMichio Kusuyama (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Olympus Optical Company, Ltd. (2 from 5,729 patents)


2 patents:

1. 4369478 - Automobile magnetic tape playing apparatus

2. 4183477 - Cassette adapter

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as of
1/23/2026
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