Growing community of inventors

Toyota, Japan

Koichi Masamura

Average Co-Inventor Count = 3.07

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

Koichi MasamuraDaisuke Kawamura (2 patents)Koichi MasamuraKeiji Yamamoto (2 patents)Koichi MasamuraYoshihide Nakane (2 patents)Koichi MasamuraKiyokazu Ohtaki (2 patents)Koichi MasamuraTakao Ozawa (2 patents)Koichi MasamuraKoji Aikawa (2 patents)Koichi MasamuraNoriyuki Sakayanagi (2 patents)Koichi MasamuraIfushi Shimonomoto (1 patent)Koichi MasamuraToshio Shimomura (1 patent)Koichi MasamuraTakeshi Kumazaki (1 patent)Koichi MasamuraToru Maeda (1 patent)Koichi MasamuraHisashi Kato (1 patent)Koichi MasamuraYoshinori Fukuoka (1 patent)Koichi MasamuraAkihito Kimura (1 patent)Koichi MasamuraMakoto Arimoto (1 patent)Koichi MasamuraAkiyoshi Osumi (1 patent)Koichi MasamuraDaisuke c/o KK Tokai R D Seisakusho Kawamura (0 patent)Koichi MasamuraKiyokazu c/o KK Tokai R D Seisakusho Ohtaki (0 patent)Koichi MasamuraAkihito c/o KK Tokai Rika Denki Seisakusho Kimura (0 patent)Koichi MasamuraDaisuke c/o KK Tokai Rika Denki Seisakusho Kawamura (0 patent)Koichi MasamuraKoichi Masamura (7 patents)Daisuke KawamuraDaisuke Kawamura (27 patents)Keiji YamamotoKeiji Yamamoto (16 patents)Yoshihide NakaneYoshihide Nakane (14 patents)Kiyokazu OhtakiKiyokazu Ohtaki (13 patents)Takao OzawaTakao Ozawa (9 patents)Koji AikawaKoji Aikawa (7 patents)Noriyuki SakayanagiNoriyuki Sakayanagi (4 patents)Ifushi ShimonomotoIfushi Shimonomoto (23 patents)Toshio ShimomuraToshio Shimomura (19 patents)Takeshi KumazakiTakeshi Kumazaki (16 patents)Toru MaedaToru Maeda (10 patents)Hisashi KatoHisashi Kato (8 patents)Yoshinori FukuokaYoshinori Fukuoka (4 patents)Akihito KimuraAkihito Kimura (4 patents)Makoto ArimotoMakoto Arimoto (2 patents)Akiyoshi OsumiAkiyoshi Osumi (1 patent)Daisuke c/o KK Tokai R D Seisakusho KawamuraDaisuke c/o KK Tokai R D Seisakusho Kawamura (0 patent)Kiyokazu c/o KK Tokai R D Seisakusho OhtakiKiyokazu c/o KK Tokai R D Seisakusho Ohtaki (0 patent)Akihito c/o KK Tokai Rika Denki Seisakusho KimuraAkihito c/o KK Tokai Rika Denki Seisakusho Kimura (0 patent)Daisuke c/o KK Tokai Rika Denki Seisakusho KawamuraDaisuke c/o KK Tokai Rika Denki Seisakusho Kawamura (0 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Toyota Jidosha Kabushiki Kaisha (7 from 36,653 patents)

2. Kabushiki Kaisha Tokai Rika Denki Seisakusho (3 from 2,005 patents)

3. Kabushiki Kaisha Toyota Jidoshokki (2 from 1,816 patents)

4. Denso Corporation (1 from 19,733 patents)


7 patents:

1. 11449200 - Vehicular display device and display method in vehicular display device

2. 11048380 - Vehicular display device and display method in vehicular display device

3. 9645667 - Touch switch module which performs multiple functions based on a touch time

4. 9489108 - Touch switch module

5. 7466216 - Security control system

6. 7432796 - Security control system for managing registration of ID codes for portable devices

7. 7327227 - Vehicle security device and ID code management device

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12/29/2025
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