Growing community of inventors

Tokyo, Japan

Shinji Hasunuma

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 = 14

Shinji Hasunuma ↔ Motoyasu Ohno (1 patent)Shinji Hasunuma ↔ Eizo Katayama (1 patent)Shinji Hasunuma ↔ Keiji Ueki (1 patent)Shinji Hasunuma ↔ Tsukasa Kanazawa (1 patent)Shinji Hasunuma ↔ Kazuo Suzuki (1 patent)Shinji Hasunuma ↔ Kaname Sawada (1 patent)Shinji HasunumaShinji Hasunuma (1 patent)Motoyasu OhnoMotoyasu Ohno (8 patents)Eizo KatayamaEizo Katayama (5 patents)Keiji UekiKeiji Ueki (4 patents)Tsukasa KanazawaTsukasa Kanazawa (1 patent)Kazuo SuzukiKazuo Suzuki (1 patent)Kaname SawadaKaname Sawada (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Matsushita Graphic Communication Systems, Inc. (1 from 191 patents)


1 patent:

1. 4839879 - Method for recording data on non-defective sectors of an optical disk

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1/8/2026
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