Growing community of inventors

Tokyo, Japan

Takahiko Nagasawa

Average Co-Inventor Count = 5.18

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 = 27

Takahiko NagasawaNaoki Takada (4 patents)Takahiko NagasawaYasuyuki Ito (4 patents)Takahiko NagasawaTakao Ishikawa (4 patents)Takahiko NagasawaFumiaki Nakashima (4 patents)Takahiko NagasawaTomoyuki Uemura (2 patents)Takahiko NagasawaTsutomu Fujikake (2 patents)Takahiko NagasawaKazuyuki Kaneko (2 patents)Takahiko NagasawaTaku Nagasawa (2 patents)Takahiko NagasawaRyo Kurobe (2 patents)Takahiko NagasawaTakashi Inoue (1 patent)Takahiko NagasawaAtsushi Ishii (1 patent)Takahiko NagasawaNaoyuki Makita (1 patent)Takahiko NagasawaJunpei Yoshikawa (1 patent)Takahiko NagasawaTakahiko Nagasawa (7 patents)Naoki TakadaNaoki Takada (98 patents)Yasuyuki ItoYasuyuki Ito (14 patents)Takao IshikawaTakao Ishikawa (13 patents)Fumiaki NakashimaFumiaki Nakashima (6 patents)Tomoyuki UemuraTomoyuki Uemura (14 patents)Tsutomu FujikakeTsutomu Fujikake (12 patents)Kazuyuki KanekoKazuyuki Kaneko (10 patents)Taku NagasawaTaku Nagasawa (8 patents)Ryo KurobeRyo Kurobe (5 patents)Takashi InoueTakashi Inoue (81 patents)Atsushi IshiiAtsushi Ishii (72 patents)Naoyuki MakitaNaoyuki Makita (9 patents)Junpei YoshikawaJunpei Yoshikawa (9 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tachi-S Co., Ltd. (6 from 576 patents)

2. Clarion Co (3 from 1,057 patents)

3. Honda Motor Co., Ltd. (2 from 21,927 patents)


7 patents:

1. 10654384 - Seat

2. 10328831 - Acoustic device

3. 10137808 - Recessed seam structure for cover

4. 10064496 - Head rest device

5. 9981613 - Headrest and vehicle seat with integrated speakers

6. 9975459 - Headrest device and sound collecting device

7. 8864225 - Structure of container mounted to vehicle seat and method for mounting container to vehicle seat

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as of
1/5/2026
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