Growing community of inventors

Gunma, Japan

Michihisa 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 = 7

Michihisa Hama ↔ Masahiro Nakamura (1 patent)Michihisa Hama ↔ Zenichi Kakinuma (1 patent)Michihisa Hama ↔ Masashi Yamamoto (1 patent)Michihisa Hama ↔ Yasuo Noda (1 patent)Michihisa Hama ↔ Katsumi Nakada (1 patent)Michihisa Hama ↔ Yasuo Noda (1 patent)Michihisa Hama ↔ Masahiro Nakamura (1 patent)Michihisa Hama ↔ Masashi Yamamoto (1 patent)Michihisa Hama ↔ Katsumi Nakada (1 patent)Michihisa HamaMichihisa Hama (1 patent)Masahiro NakamuraMasahiro Nakamura (100 patents)Zenichi KakinumaZenichi Kakinuma (4 patents)Masashi YamamotoMasashi Yamamoto (2 patents)Yasuo NodaYasuo Noda (1 patent)Katsumi NakadaKatsumi Nakada (1 patent)Yasuo NodaYasuo Noda (1 patent)Masahiro NakamuraMasahiro Nakamura (2 patents)Masashi YamamotoMasashi Yamamoto (2 patents)Katsumi NakadaKatsumi Nakada (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sanyo Electric Co., Ltd. (1 from 8,780 patents)

2. Masashi Yamamoto (0 patent)

3. Katsumi Nakada (0 patent)

4. Masahiro Nakamura (0 patent)

5. Michihisa Hama (0 patent)

6. Yasuo Noda (0 patent)

7. Zenichi Kakinuma (0 patent)


1 patent:

1. 4962865 - Insulating box and a method for its manufacture

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12/21/2025
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