Growing community of inventors

Tokyo, Japan

Hirofumi Tsutsumimoto

Average Co-Inventor Count = 5.00

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 = 12

Hirofumi TsutsumimotoKiyoshi Kanai (2 patents)Hirofumi TsutsumimotoYoshinori Otani (2 patents)Hirofumi TsutsumimotoYoshinori Tanaka (1 patent)Hirofumi TsutsumimotoTohru Kaneko (1 patent)Hirofumi TsutsumimotoKatsumasa Kishida (1 patent)Hirofumi TsutsumimotoNoriho Tanaka (1 patent)Hirofumi TsutsumimotoHirofumi Tsutsumimoto (2 patents)Kiyoshi KanaiKiyoshi Kanai (5 patents)Yoshinori OtaniYoshinori Otani (2 patents)Yoshinori TanakaYoshinori Tanaka (199 patents)Tohru KanekoTohru Kaneko (1 patent)Katsumasa KishidaKatsumasa Kishida (1 patent)Noriho TanakaNoriho Tanaka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi-kokusai Electric Inc. (1 from 1,257 patents)

2. Hitachi Systems, Ltd. (1 from 34 patents)

3. Hitachi Information Systems, Ltd. (1 from 4 patents)

4. Tanax, Inc. (1 from 2 patents)


2 patents:

1. 9916614 - Product display rack system, product display rack method, and product display rack program

2. 7881988 - Product display rack system and purchasing behavior analysis program

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12/12/2025
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