Growing community of inventors

Nagoya, Japan

Yasushi Nakagawa

Average Co-Inventor Count = 3.43

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 = 80

Yasushi NakagawaHidenori Sato (2 patents)Yasushi NakagawaIchiro Suzuki (1 patent)Yasushi NakagawaShigeru Yoshida (1 patent)Yasushi NakagawaNaoto Kitagawa (1 patent)Yasushi NakagawaKazuhiko Miyadera (1 patent)Yasushi NakagawaToshihiro Sasaki (1 patent)Yasushi NakagawaToyokazu Hirota (1 patent)Yasushi NakagawaEizi Hiramatu (1 patent)Yasushi NakagawaEizi Hiramatsu (1 patent)Yasushi NakagawaYasushi Nakagawa (4 patents)Hidenori SatoHidenori Sato (2 patents)Ichiro SuzukiIchiro Suzuki (26 patents)Shigeru YoshidaShigeru Yoshida (11 patents)Naoto KitagawaNaoto Kitagawa (5 patents)Kazuhiko MiyaderaKazuhiko Miyadera (4 patents)Toshihiro SasakiToshihiro Sasaki (2 patents)Toyokazu HirotaToyokazu Hirota (2 patents)Eizi HiramatuEizi Hiramatu (1 patent)Eizi HiramatsuEizi Hiramatsu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyota Jidosha Kogyo Kabushiki Kaisha (3 from 1,838 patents)

2. Nippondenso Kabushiki Kaisha (2 from 12 patents)

3. Toyota Jidosha Kabushiki Kaisha (1 from 36,546 patents)

4. Aisan Industry Co., Ltd. (1 from 79 patents)


4 patents:

1. 4583448 - Windshield defroster

2. 4432565 - Steering assembly supporting device of a motor vehicle

3. 4331120 - Device for controlling evaporative emission from an automobile

4. 4308840 - Device for preventing evaporative fuel loss

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as of
12/12/2025
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