Growing community of inventors

Osaka, Japan

Tsutomu Yamasawa

Average Co-Inventor Count = 5.22

ph-index = 7

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 = 360

Tsutomu YamasawaManabu Yoshimura (5 patents)Tsutomu YamasawaMasaaki Takenaka (5 patents)Tsutomu YamasawaTsukasa Hatakenaka (4 patents)Tsutomu YamasawaMaki Hasegawa (4 patents)Tsutomu YamasawaTomoo Watanabe (3 patents)Tsutomu YamasawaSatoshi Nishida (3 patents)Tsutomu YamasawaMakoto Tabata (2 patents)Tsutomu YamasawaMasatsugu Hirano (2 patents)Tsutomu YamasawaKazuyuki Morita (2 patents)Tsutomu YamasawaShinya Tanaka (1 patent)Tsutomu YamasawaYutaka Kobayashi (1 patent)Tsutomu YamasawaMamoru Toriu (1 patent)Tsutomu YamasawaAkihisa Narai (1 patent)Tsutomu YamasawaSoichi Okuhara (1 patent)Tsutomu YamasawaMitsuhiro Sango (1 patent)Tsutomu YamasawaToshio Otani (1 patent)Tsutomu YamasawaTakeshi Imai (1 patent)Tsutomu YamasawaTsutomu Yamasawa (8 patents)Manabu YoshimuraManabu Yoshimura (9 patents)Masaaki TakenakaMasaaki Takenaka (5 patents)Tsukasa HatakenakaTsukasa Hatakenaka (5 patents)Maki HasegawaMaki Hasegawa (4 patents)Tomoo WatanabeTomoo Watanabe (3 patents)Satoshi NishidaSatoshi Nishida (3 patents)Makoto TabataMakoto Tabata (26 patents)Masatsugu HiranoMasatsugu Hirano (2 patents)Kazuyuki MoritaKazuyuki Morita (2 patents)Shinya TanakaShinya Tanaka (77 patents)Yutaka KobayashiYutaka Kobayashi (10 patents)Mamoru ToriuMamoru Toriu (3 patents)Akihisa NaraiAkihisa Narai (3 patents)Soichi OkuharaSoichi Okuhara (2 patents)Mitsuhiro SangoMitsuhiro Sango (1 patent)Toshio OtaniToshio Otani (1 patent)Takeshi ImaiTakeshi Imai (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Omron Corporation (8 from 4,118 patents)

2. Ito Co., Ltd. (1 from 22 patents)


8 patents:

1. D447348 - Chair with sound system

2. 6254513 - Pedometer

3. 5989200 - Exercise amount measuring device capable of displaying the amount of

4. 5834649 - Vibration sensor including a movable magnet positioned between

5. 5788655 - Exercise amount measuring device capable of displaying the amount of

6. 5650982 - Pulsimeter provided with or without a pedometer

7. 5539706 - Pulsimeter provided with or without a pedometer

8. 5048523 - Transcutaneous electric nerve stimulator

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as of
12/17/2025
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