Growing community of inventors

Tokyo, Japan

Hiroshi Fujisawa

Average Co-Inventor Count = 1.76

ph-index = 3

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 = 24

Hiroshi FujisawaOsamu Date (1 patent)Hiroshi FujisawaYasunori Sato (1 patent)Hiroshi FujisawaRyosuke Sato (1 patent)Hiroshi FujisawaYasuaki Kanatsugu (1 patent)Hiroshi FujisawaHiroyuki Hamada (1 patent)Hiroshi FujisawaHaruyuki Miura (1 patent)Hiroshi FujisawaHajime Kanno (1 patent)Hiroshi FujisawaHokuto Yamane (1 patent)Hiroshi FujisawaKinji Matsumura (1 patent)Hiroshi FujisawaAkitsugu Baba (1 patent)Hiroshi FujisawaToshiyuki Ichiki (1 patent)Hiroshi FujisawaKatsunori Naganuma (1 patent)Hiroshi FujisawaShigeaki Mitsuya (1 patent)Hiroshi FujisawaMasaru Takechi (1 patent)Hiroshi FujisawaMinoru Maruyama (1 patent)Hiroshi FujisawaTaku Sagara (1 patent)Hiroshi FujisawaHiroshi Fujisawa (9 patents)Osamu DateOsamu Date (28 patents)Yasunori SatoYasunori Sato (6 patents)Ryosuke SatoRyosuke Sato (6 patents)Yasuaki KanatsuguYasuaki Kanatsugu (5 patents)Hiroyuki HamadaHiroyuki Hamada (4 patents)Haruyuki MiuraHaruyuki Miura (4 patents)Hajime KannoHajime Kanno (3 patents)Hokuto YamaneHokuto Yamane (2 patents)Kinji MatsumuraKinji Matsumura (2 patents)Akitsugu BabaAkitsugu Baba (2 patents)Toshiyuki IchikiToshiyuki Ichiki (2 patents)Katsunori NaganumaKatsunori Naganuma (2 patents)Shigeaki MitsuyaShigeaki Mitsuya (1 patent)Masaru TakechiMasaru Takechi (1 patent)Minoru MaruyamaMinoru Maruyama (1 patent)Taku SagaraTaku Sagara (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (5 from 58,129 patents)

2. Subaru Corporation (2 from 2,040 patents)

3. Nippon Hoso' Kyokai (1 from 372 patents)

4. Kanagawa Toyota Motor Sales Co., Ltd. (1 from 1 patent)


9 patents:

1. 12393293 - Switch simulation device

2. 12054243 - Rotary-wing aircraft

3. 8997141 - Cooperative communication/broadcasting system, application management server, receiver, reception method for receiver, and application management method for application management server

4. 7782719 - Editing apparatus for optical disc reproducing device

5. 7701811 - Editing apparatus for optical disc reproducing device

6. 7624090 - Apparatus and method of reading and recording content data with validation

7. 7149156 - Editing apparatus for optical reproducing device

8. 6804181 - Dubbing apparatus and dubbing method

9. 6341625 - Hydraulic brake hose assembly for bicycles

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as of
12/6/2025
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