Growing community of inventors

Toyota, Japan

Masahiko Takeuchi

Average Co-Inventor Count = 2.91

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 = 246

Masahiko TakeuchiNaoto Miyoshi (9 patents)Masahiko TakeuchiAkemi Sato (9 patents)Masahiko TakeuchiRyota Onoe (8 patents)Masahiko TakeuchiShingo Sakagami (7 patents)Masahiko TakeuchiTsuyoshi Ito (6 patents)Masahiko TakeuchiTatsuya Ohashi (3 patents)Masahiko TakeuchiYasutaka Nomura (3 patents)Masahiko TakeuchiTomomi Kishi (3 patents)Masahiko TakeuchiYuta Morishita (3 patents)Masahiko TakeuchiDaisuke Ochiai (3 patents)Masahiko TakeuchiJunji Kuriyama (3 patents)Masahiko TakeuchiHiroshi Sekine (2 patents)Masahiko TakeuchiNaoki Takahashi (1 patent)Masahiko TakeuchiKenji Kato (1 patent)Masahiko TakeuchiTakahiko Fujiwara (1 patent)Masahiko TakeuchiTadashi Okiyama (1 patent)Masahiko TakeuchiKeiichi Narita (1 patent)Masahiko TakeuchiTakaaki Ito (1 patent)Masahiko TakeuchiMareo Kimura (1 patent)Masahiko TakeuchiKazuhiro Sato (1 patent)Masahiko TakeuchiFumio Kawahara (1 patent)Masahiko TakeuchiKeizo Hiraku (1 patent)Masahiko TakeuchiTadashi Suzuki (1 patent)Masahiko TakeuchiTatsuji Mizuno (1 patent)Masahiko TakeuchiShinji Tsuji (1 patent)Masahiko TakeuchiAtsushi Tanaka (1 patent)Masahiko TakeuchiYoshitsugu Ogura (1 patent)Masahiko TakeuchiTetsuo Kawamura (1 patent)Masahiko TakeuchiKiyoshi Isogai (1 patent)Masahiko TakeuchiIchiro Kitamura (1 patent)Masahiko TakeuchiYusuke Kawamura (1 patent)Masahiko TakeuchiSatoru Inoda (1 patent)Masahiko TakeuchiYoshitaka Atsumi (1 patent)Masahiko TakeuchiTadashi Suzuki (5 patents)Masahiko TakeuchiKanshi Nonami (2 patents)Masahiko TakeuchiHeijiro Ojima (1 patent)Masahiko TakeuchiAkemi Satou (1 patent)Masahiko TakeuchiTakayuki Furuhata (1 patent)Masahiko TakeuchiMitsuru Tomono (1 patent)Masahiko TakeuchiYusuke Noguchi (1 patent)Masahiko TakeuchiNaka Takita (1 patent)Masahiko TakeuchiItsuo Koga (1 patent)Masahiko TakeuchiHiroshi Yano (1 patent)Masahiko TakeuchiHideo Niwa (1 patent)Masahiko TakeuchiNaoki Takahashi (3 patents)Masahiko TakeuchiNaoyuki Yoshitani (1 patent)Masahiko TakeuchiMakoto Okamoto (1 patent)Masahiko TakeuchiKosuke Shiramizu (1 patent)Masahiko TakeuchiNobuo Ohmori (1 patent)Masahiko TakeuchiMasataka Iida (1 patent)Masahiko TakeuchiHidetoshi Kato (1 patent)Masahiko TakeuchiNobuo Tobi (1 patent)Masahiko TakeuchiAkihito Inoue (1 patent)Masahiko TakeuchiTakeshige Kurumizawa (1 patent)Masahiko TakeuchiYasushi Uchida (1 patent)Masahiko TakeuchiKoji Umeda (1 patent)Masahiko TakeuchiNaoki Matsuoka (1 patent)Masahiko TakeuchiTadao Akashi (1 patent)Masahiko TakeuchiKokichi Nakanishi (1 patent)Masahiko TakeuchiSadao Ishihara (1 patent)Masahiko TakeuchiTakanori Matsukura (1 patent)Masahiko TakeuchiJun Sawada (1 patent)Masahiko TakeuchiNoritoshi Kaskimura (1 patent)Masahiko TakeuchiFumio Ikesue (1 patent)Masahiko TakeuchiTakahiro Fujiwara (1 patent)Masahiko TakeuchiJun Sawada (1 patent)Masahiko TakeuchiNaoki Takahashi (1 patent)Masahiko TakeuchiAkihito Inoue (0 patent)Masahiko TakeuchiMasahiko Takeuchi (25 patents)Naoto MiyoshiNaoto Miyoshi (38 patents)Akemi SatoAkemi Sato (18 patents)Ryota OnoeRyota Onoe (41 patents)Shingo SakagamiShingo Sakagami (15 patents)Tsuyoshi ItoTsuyoshi Ito (16 patents)Tatsuya OhashiTatsuya Ohashi (22 patents)Yasutaka NomuraYasutaka Nomura (12 patents)Tomomi KishiTomomi Kishi (11 patents)Yuta MorishitaYuta Morishita (8 patents)Daisuke OchiaiDaisuke Ochiai (8 patents)Junji KuriyamaJunji Kuriyama (6 patents)Hiroshi SekineHiroshi Sekine (10 patents)Naoki TakahashiNaoki Takahashi (109 patents)Kenji KatoKenji Kato (55 patents)Takahiko FujiwaraTakahiko Fujiwara (1 patent)Tadashi OkiyamaTadashi Okiyama (30 patents)Keiichi NaritaKeiichi Narita (27 patents)Takaaki ItoTakaaki Ito (26 patents)Mareo KimuraMareo Kimura (26 patents)Kazuhiro SatoKazuhiro Sato (22 patents)Fumio KawaharaFumio Kawahara (17 patents)Keizo HirakuKeizo Hiraku (17 patents)Tadashi SuzukiTadashi Suzuki (17 patents)Tatsuji MizunoTatsuji Mizuno (15 patents)Shinji TsujiShinji Tsuji (11 patents)Atsushi TanakaAtsushi Tanaka (9 patents)Yoshitsugu OguraYoshitsugu Ogura (8 patents)Tetsuo KawamuraTetsuo Kawamura (8 patents)Kiyoshi IsogaiKiyoshi Isogai (8 patents)Ichiro KitamuraIchiro Kitamura (8 patents)Yusuke KawamuraYusuke Kawamura (7 patents)Satoru InodaSatoru Inoda (6 patents)Yoshitaka AtsumiYoshitaka Atsumi (5 patents)Tadashi SuzukiTadashi Suzuki (5 patents)Kanshi NonamiKanshi Nonami (2 patents)Heijiro OjimaHeijiro Ojima (5 patents)Akemi SatouAkemi Satou (4 patents)Takayuki FuruhataTakayuki Furuhata (4 patents)Mitsuru TomonoMitsuru Tomono (4 patents)Yusuke NoguchiYusuke Noguchi (3 patents)Naka TakitaNaka Takita (3 patents)Itsuo KogaItsuo Koga (3 patents)Hiroshi YanoHiroshi Yano (3 patents)Hideo NiwaHideo Niwa (3 patents)Naoki TakahashiNaoki Takahashi (3 patents)Naoyuki YoshitaniNaoyuki Yoshitani (2 patents)Makoto OkamotoMakoto Okamoto (2 patents)Kosuke ShiramizuKosuke Shiramizu (2 patents)Nobuo OhmoriNobuo Ohmori (2 patents)Masataka IidaMasataka Iida (2 patents)Hidetoshi KatoHidetoshi Kato (2 patents)Nobuo TobiNobuo Tobi (1 patent)Akihito InoueAkihito Inoue (1 patent)Takeshige KurumizawaTakeshige Kurumizawa (1 patent)Yasushi UchidaYasushi Uchida (1 patent)Koji UmedaKoji Umeda (1 patent)Naoki MatsuokaNaoki Matsuoka (1 patent)Tadao AkashiTadao Akashi (1 patent)Kokichi NakanishiKokichi Nakanishi (1 patent)Sadao IshiharaSadao Ishihara (1 patent)Takanori MatsukuraTakanori Matsukura (1 patent)Jun SawadaJun Sawada (1 patent)Noritoshi KaskimuraNoritoshi Kaskimura (1 patent)Fumio IkesueFumio Ikesue (1 patent)Takahiro FujiwaraTakahiro Fujiwara (1 patent)Jun SawadaJun Sawada (1 patent)Naoki TakahashiNaoki Takahashi (5 patents)Akihito InoueAkihito Inoue (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyota Jidosha Kabushiki Kaisha (14 from 36,653 patents)

2. Cataler Corporation (9 from 246 patents)

3. Jms Co., Ltd. (6 from 166 patents)

4. Other (1 from 832,843 patents)

5. Mec International Corporation (1 from 7 patents)

6. Sanmei Electric Co., Ltd. (1 from 1 patent)

7. Taiho Seiki Kk (1 from 1 patent)


25 patents:

1. 12042618 - Connector

2. 11052235 - Lever lock-type male connector and male connector assembly

3. 10626765 - Exhaust gas purification device

4. 10596068 - Drug container connector and male member cover

5. 10556099 - Lever lock male connector and male connector assembly

6. 10543150 - Vial shield

7. 10500391 - Adapter for male connector and male connector with adapter

8. 10357744 - Exhaust gas purification device

9. 10344655 - Exhaust gas purification catalyst

10. 10201805 - Exhaust gas purification apparatus

11. 10183253 - Exhaust gas purification device

12. 10159934 - Exhaust gas purification catalyst

13. 10159935 - Exhaust gas purification catalyst

14. 10125649 - Exhaust gas purification catalyst

15. 10076725 - Exhaust gas purification catalyst

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12/27/2025
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