Growing community of inventors

Kanagawa-ken, Japan

Sadahiro Kawahara

Average Co-Inventor Count = 3.75

ph-index = 5

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 = 58

Sadahiro KawaharaHiroyuki Mizuma (4 patents)Sadahiro KawaharaSunao Gouhara (3 patents)Sadahiro KawaharaTohru Kobayashi (2 patents)Sadahiro KawaharaHiroshi Yamazaki (1 patent)Sadahiro KawaharaYoshimasa Kataumi (1 patent)Sadahiro KawaharaYasushi Asano (1 patent)Sadahiro KawaharaTakumi Watanabe (1 patent)Sadahiro KawaharaSatoshi Kobayashi (1 patent)Sadahiro KawaharaTsutomu Aoki (1 patent)Sadahiro KawaharaSadahiro Kawahara (5 patents)Hiroyuki MizumaHiroyuki Mizuma (9 patents)Sunao GouharaSunao Gouhara (3 patents)Tohru KobayashiTohru Kobayashi (40 patents)Hiroshi YamazakiHiroshi Yamazaki (51 patents)Yoshimasa KataumiYoshimasa Kataumi (31 patents)Yasushi AsanoYasushi Asano (21 patents)Takumi WatanabeTakumi Watanabe (15 patents)Satoshi KobayashiSatoshi Kobayashi (12 patents)Tsutomu AokiTsutomu Aoki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nissan Motor Company Limited (3 from 13,415 patents)

2. Other (2 from 832,912 patents)

3. Ohi Seisakusho Co., Ltd. (1 from 242 patents)

4. Fuji Kiko Co., Ltd. (1 from 197 patents)

5. Yorozu Corporation (1 from 29 patents)


5 patents:

1. 6742411 - Brake pedal apparatus for automotive vehicle

2. 6418812 - Brake pedal structure for vehicle

3. 6279417 - Brake pedal structure for vehicle

4. 6142036 - Brake pedal apparatus for vehicle

5. 5309784 - Shift apparatus

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as of
1/9/2026
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