Growing community of inventors

Tokyo, Japan

Masami Handa

Average Co-Inventor Count = 3.43

ph-index = 4

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 = 74

Masami HandaSatoshi Goshima (3 patents)Masami HandaShingo Wanami (2 patents)Masami HandaManabu Abe (3 patents)Masami HandaMorihiro Ichisugi (2 patents)Masami HandaHideyuki Karasawa (2 patents)Masami HandaMasataka Tobita (2 patents)Masami HandaNorikatsu Aoshima (2 patents)Masami HandaToshiaki Sunaga (1 patent)Masami HandaShigeyuki Osawa (1 patent)Masami HandaDaisuke Kobayashi (0 patent)Masami HandaYoichi Aoki (0 patent)Masami HandaMasami Handa (6 patents)Satoshi GoshimaSatoshi Goshima (6 patents)Shingo WanamiShingo Wanami (26 patents)Manabu AbeManabu Abe (3 patents)Morihiro IchisugiMorihiro Ichisugi (3 patents)Hideyuki KarasawaHideyuki Karasawa (3 patents)Masataka TobitaMasataka Tobita (3 patents)Norikatsu AoshimaNorikatsu Aoshima (2 patents)Toshiaki SunagaToshiaki Sunaga (2 patents)Shigeyuki OsawaShigeyuki Osawa (1 patent)Daisuke KobayashiDaisuke Kobayashi (0 patent)Yoichi AokiYoichi Aoki (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fuji Jukogyo Kabushiki Kaisha (5 from 2,208 patents)

2. Nhk Spring Co., Ltd. (4 from 1,233 patents)

3. Denso Corporation (2 from 19,785 patents)

4. Fuji Heavy Industries Ltd. (1 from 34 patents)

5. Subaru Corporation (2,111 patents)


6 patents:

1. 8047614 - Seat apparatus and vehicle

2. 7239950 - Passenger detection device

3. 7178411 - Load sensing system for seat

4. 7137665 - Vehicular seat apparatus

5. 5829833 - Vehicle rear seat provided with child seat

6. 5704685 - Vehicle rear seat provided with child seat

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as of
1/13/2026
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