Growing community of inventors

Kanagawa, Japan

Isao Utsumi

Average Co-Inventor Count = 2.73

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 = 20

Isao UtsumiKaoru Tamura (4 patents)Isao UtsumiYasuhiro Kawai (3 patents)Isao UtsumiKatsuhide Koyama (3 patents)Isao UtsumiYasunori Maehara (3 patents)Isao UtsumiSigeme Fujiwara (3 patents)Isao UtsumiKawai Yasuhiro (1 patent)Isao UtsumiIsao Utsumi (5 patents)Kaoru TamuraKaoru Tamura (30 patents)Yasuhiro KawaiYasuhiro Kawai (33 patents)Katsuhide KoyamaKatsuhide Koyama (12 patents)Yasunori MaeharaYasunori Maehara (4 patents)Sigeme FujiwaraSigeme Fujiwara (3 patents)Kawai YasuhiroKawai Yasuhiro (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fuji Photo Film Company, Limited (5 from 16,458 patents)

2. Kabushiki Kaisha Toshiba (2 from 52,752 patents)


5 patents:

1. 4901868 - Stimulable phosphor sheet stacking tray

2. 4892199 - Stimulable phosphor sheet stacking tray

3. 4787521 - Stimulable phosphor sheet stacking tray

4. 4701617 - Stimulable phosphor sheet conveyance apparatus

5. 4678180 - Selective sheet feeder

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as of
12/30/2025
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