AK

Akihiko Komatsu

Yamaha: 24 patents #63 of 2,001Top 4%
RU Rubycon: 14 patents #1 of 31Top 4%
Overall (All Time): #85,441 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDate
11961499 Sound signal generation device, keyboard instrument and sound signal generation method Yasuhiko Oba, Michiko TANOUE 2024-04-16
11694665 Sound source, keyboard musical instrument, and method for generating sound signal Yasuhiko Oba, Michiko TANOUE 2023-07-04
11551653 Electronic musical instrument Yasuhiko Oba, Michiko TANOUE 2023-01-10
11138961 Sound output device and non-transitory computer-readable storage medium Yasuhiko Oba, Michiko TANOUE 2021-10-05
10937403 Signal supply device, keyboard device and non-transitory computer-readable storage medium Kenichi Nishida, Yasuhiko Oba, Michiko TANOUE 2021-03-02
10902830 Signal supply device, keyboard device and non-transitory computer-readable storage medium Kenichi Nishida, Yasuhiko Oba, Michiko TANOUE 2021-01-26
10210997 Solid electrolytic capacitor and manufacturing method thereof Tetsushi Ogawara, Yoshishige Sakurai, Akira Iijima, Hayato Karasawa, Masayuki Sakaguchi 2019-02-19
9978527 Solid Electrolytic capacitor and manufacturing method thereof Akira Iijima, Masayuki Sakaguchi, Yosuke NOZAWA, Yoshishige Sakurai 2018-05-22
9799456 Solid electrolyte capacitor Yoshishige Sakurai, Hiroki Tsutsui, Hayato Karasawa 2017-10-24
9786439 Solid electrolyte capacitor and housing for solid electrolyte capacitor Yoshishige Sakurai, Hiroki Tsutsui, Hayato Karasawa 2017-10-10
9576742 Solid electrolyte capacitor and manufacturing method for same Yoshishige Sakurai, Hiroki Tsutsui, Kazuyasu Watanabe 2017-02-21
8889975 Keyboard apparatus Shigeru Muramatsu, Hisashi Takeyama 2014-11-18
8773114 Apparatus for detecting displacement of electromagnetic actuator Yoshinori Hayashi 2014-07-08
8653353 Electronic keyboard musical instrument 2014-02-18
8648236 Keyboard apparatus Yoshinori Hayashi, Shigeru Muramatsu, Hisashi Takeyama 2014-02-11
8383920 Keyboard apparatus Nariyasu Yaguchi, Yoshinori Hayashi 2013-02-26
8288640 Keyboard apparatus Nariyasu Yaguchi, Yoshinori Hayashi 2012-10-16
8288643 Pedal control apparatus of electronic keyboard musical instrument 2012-10-16
8138402 Keyboard musical instrument and solenoid drive mechanism 2012-03-20
8013233 Keyboard apparatus 2011-09-06
7943843 Reactive force control apparatus for pedal of electronic keyboard instrument 2011-05-17
7935875 Key actuating apparatus 2011-05-03
7919708 Electronic musical instrument 2011-04-05
7858864 Key actuating apparatus 2010-12-28
7786372 Wind musical instrument with pitch changing mechanism and supporting system for pitch change Shuichi Sawada, Hideo Suzuki, Nariyasu Yaguchi, Yoshinori Hayashi, Souichi Takigawa 2010-08-31