Growing community of inventors

Yokohama, Japan

Akihiko Hama

Average Co-Inventor Count = 6.00

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 = 20

Akihiko Hama ↔ Harutsugu Ushiota (1 patent)Akihiko Hama ↔ Toshio Inoue (1 patent)Akihiko Hama ↔ Yoshio Konno (1 patent)Akihiko Hama ↔ Hachiro Nakagawa (1 patent)Akihiko Hama ↔ Hiroshi Oshigami (1 patent)Akihiko HamaAkihiko Hama (1 patent)Harutsugu UshiotaHarutsugu Ushiota (4 patents)Toshio InoueToshio Inoue (3 patents)Yoshio KonnoYoshio Konno (1 patent)Hachiro NakagawaHachiro Nakagawa (1 patent)Hiroshi OshigamiHiroshi Oshigami (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tokico, Ltd. (1 from 548 patents)


1 patent:

1. 5030067 - Air compressor assembly

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12/5/2025
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