Growing community of inventors

Kanagawa, Japan

Kazuma Usami

Average Co-Inventor Count = 1.82

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 = 3

Kazuma UsamiShinichiro Yamada (1 patent)Kazuma UsamiSeiichiro Tabata (1 patent)Kazuma UsamiMasakazu Mitsugi (1 patent)Kazuma UsamiHironori Iida (1 patent)Kazuma UsamiShun Yamanoi (1 patent)Kazuma UsamiMachiko Minatoya (1 patent)Kazuma UsamiHirotsugu Ishihara (1 patent)Kazuma UsamiTakashi Obikawa (1 patent)Kazuma UsamiMakoto Yoshizaki (1 patent)Kazuma UsamiKazuma Usami (2 patents)Shinichiro YamadaShinichiro Yamada (42 patents)Seiichiro TabataSeiichiro Tabata (24 patents)Masakazu MitsugiMasakazu Mitsugi (17 patents)Hironori IidaHironori Iida (15 patents)Shun YamanoiShun Yamanoi (13 patents)Machiko MinatoyaMachiko Minatoya (7 patents)Hirotsugu IshiharaHirotsugu Ishihara (5 patents)Takashi ObikawaTakashi Obikawa (3 patents)Makoto YoshizakiMakoto Yoshizaki (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (2 from 58,130 patents)


2 patents:

1. 11190740 - Projection display apparatus

2. 9421515 - Porous carbon material, adsorbent, oral adsorbent, medical adsorbent, filler for blood purification column, water purification adsorbent, cleansing agent, carrier, sustained release pharmaceutical, cell culture scaffold, mask, carbon/polymer composite, adsorbent sheet and functional food

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12/26/2025
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