Growing community of inventors

Tokyo, Japan

Shotaro Hirako

Average Co-Inventor Count = 4.67

ph-index = 9

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 = 163

Shotaro Hirako ↔ Shinichi Kato (14 patents)Shotaro Hirako ↔ Masaaki Kadoyanagi (14 patents)Shotaro Hirako ↔ Tsutomu Tanaka (6 patents)Shotaro Hirako ↔ Kentaro Tsukamoto (6 patents)Shotaro Hirako ↔ Asuna Osawa (6 patents)Shotaro Hirako ↔ Hiroyuki Kato (5 patents)Shotaro Hirako ↔ Takahiro Yamatani (5 patents)Shotaro Hirako ↔ Takashi Aoki (1 patent)Shotaro Hirako ↔ Nichika Moriguchi (1 patent)Shotaro Hirako ↔ Tatsuya Kamiyama (1 patent)Shotaro HirakoShotaro Hirako (15 patents)Shinichi KatoShinichi Kato (149 patents)Masaaki KadoyanagiMasaaki Kadoyanagi (21 patents)Tsutomu TanakaTsutomu Tanaka (30 patents)Kentaro TsukamotoKentaro Tsukamoto (12 patents)Asuna OsawaAsuna Osawa (6 patents)Hiroyuki KatoHiroyuki Kato (93 patents)Takahiro YamataniTakahiro Yamatani (27 patents)Takashi AokiTakashi Aoki (6 patents)Nichika MoriguchiNichika Moriguchi (5 patents)Tatsuya KamiyamaTatsuya Kamiyama (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Electric Corporation (15 from 15,906 patents)


15 patents:

1. D1087910 - Servo amplifier

2. D1081569 - Servo amplifier

3. D1076807 - Servo amplifier

4. D1053695 - Servo amplifier

5. D951867 - Servo amplifier

6. D929940 - Servo amplifier

7. D928708 - Servo amplifier

8. D908657 - Servo amplifier

9. D906962 - Servo amplifier

10. D906963 - Servo amplifier

11. D906961 - Servo amplifier

12. D906960 - Servo amplifier

13. D861608 - Controller for servomotors

14. D861609 - Controller for servomotors

15. D845238 - Controller for servomotors

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as of
12/24/2025
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