Growing community of inventors

Toyota, Japan

Katsuhisa Yamada

Average Co-Inventor Count = 4.52

ph-index = 11

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 = 484

Katsuhisa YamadaRyoichi Fukumoto (20 patents)Katsuhisa YamadaMasao Ohhashi (17 patents)Katsuhisa YamadaShintaro Suzuki (15 patents)Katsuhisa YamadaEiji Itami (5 patents)Katsuhisa YamadaSeiichi Suzuki (4 patents)Katsuhisa YamadaKenji Kobashi (4 patents)Katsuhisa YamadaTomoaki Imaizumi (3 patents)Katsuhisa YamadaMasayuki Uchitsunemi (3 patents)Katsuhisa YamadaYasuhiro Yamakawa (3 patents)Katsuhisa YamadaTakashi Saitoh (2 patents)Katsuhisa YamadaKatsuaki Maruyama (2 patents)Katsuhisa YamadaKohei Noda (2 patents)Katsuhisa YamadaShinji Okada (2 patents)Katsuhisa YamadaAdam Minter (2 patents)Katsuhisa YamadaKatsuhiro Suzuki (2 patents)Katsuhisa YamadaMichael Wlotkowski (2 patents)Katsuhisa YamadaKatsuyuki Ohtake (2 patents)Katsuhisa YamadaSadayuki Makino (2 patents)Katsuhisa YamadaShingo Shoudou (2 patents)Katsuhisa YamadaToshihiko Ishida (1 patent)Katsuhisa YamadaHiroshi Miyazaki (1 patent)Katsuhisa YamadaNobuhiro Yamauchi (1 patent)Katsuhisa YamadaShinji Kazama (1 patent)Katsuhisa YamadaTsuyoshi Kamiya (1 patent)Katsuhisa YamadaJunji Yamaguchi (1 patent)Katsuhisa YamadaTetsuya Ikeda (1 patent)Katsuhisa YamadaJoo Young Kim (1 patent)Katsuhisa YamadaTaisuke Yamamoto (1 patent)Katsuhisa YamadaKenichi Shibata (1 patent)Katsuhisa YamadaKazuto Sawada (1 patent)Katsuhisa YamadaHitoshi Sekine (1 patent)Katsuhisa YamadaKatsuhisa Yamada (27 patents)Ryoichi FukumotoRyoichi Fukumoto (96 patents)Masao OhhashiMasao Ohhashi (29 patents)Shintaro SuzukiShintaro Suzuki (37 patents)Eiji ItamiEiji Itami (22 patents)Seiichi SuzukiSeiichi Suzuki (13 patents)Kenji KobashiKenji Kobashi (7 patents)Tomoaki ImaizumiTomoaki Imaizumi (22 patents)Masayuki UchitsunemiMasayuki Uchitsunemi (9 patents)Yasuhiro YamakawaYasuhiro Yamakawa (5 patents)Takashi SaitohTakashi Saitoh (95 patents)Katsuaki MaruyamaKatsuaki Maruyama (13 patents)Kohei NodaKohei Noda (4 patents)Shinji OkadaShinji Okada (4 patents)Adam MinterAdam Minter (2 patents)Katsuhiro SuzukiKatsuhiro Suzuki (2 patents)Michael WlotkowskiMichael Wlotkowski (2 patents)Katsuyuki OhtakeKatsuyuki Ohtake (2 patents)Sadayuki MakinoSadayuki Makino (2 patents)Shingo ShoudouShingo Shoudou (2 patents)Toshihiko IshidaToshihiko Ishida (21 patents)Hiroshi MiyazakiHiroshi Miyazaki (10 patents)Nobuhiro YamauchiNobuhiro Yamauchi (10 patents)Shinji KazamaShinji Kazama (9 patents)Tsuyoshi KamiyaTsuyoshi Kamiya (6 patents)Junji YamaguchiJunji Yamaguchi (5 patents)Tetsuya IkedaTetsuya Ikeda (4 patents)Joo Young KimJoo Young Kim (1 patent)Taisuke YamamotoTaisuke Yamamoto (1 patent)Kenichi ShibataKenichi Shibata (1 patent)Kazuto SawadaKazuto Sawada (1 patent)Hitoshi SekineHitoshi Sekine (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Aisin Seiki Kabushiki Kaisha (21 from 5,207 patents)

2. Other (3 from 832,680 patents)

3. Aisin Technical Center of America, Inc. (2 from 93 patents)

4. Aisin Seiki Kabushiki Kaisha Kariya (1 from 2 patents)


27 patents:

1. 9151098 - Vehicle door opening/closing device

2. 8730021 - Lit door handle for a vehicle

3. 8579481 - Lit door handle for a vehicle

4. 8336259 - Vehicle door opening/closing apparatus

5. 7708334 - Slide door apparatus for vehicle

6. 7287805 - Vehicle door opening and closing device

7. 6971206 - Opening movement control device of a sliding door for a vehicle

8. 6969108 - Vehicular door

9. 6701671 - Child safety slide door apparatus for vehicles

10. 6677524 - Grommet apparatus

11. 6510656 - Door closing apparatus provided with passive lever having access from an interior of a vehicle

12. 6425206 - Open/close body control equipment and method

13. 6422617 - Door lock device for motor vehicles

14. 6408573 - Drive device for vehicular slide doors

15. 6405485 - Door control equipment

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as of
12/8/2025
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