JO

Jun-ichi Okamura

TS Trigence Semiconductor: 16 patents #2 of 4Top 50%
KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
HC Hitachi Construction Machinery Co.: 3 patents #381 of 1,234Top 35%
TE Thine Electronics: 3 patents #10 of 58Top 20%
Overall (All Time): #144,101 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 25 most recent of 27 patents

Patent #TitleCo-InventorsDate
12066042 Hydraulic system 2024-08-20
11057706 Speaker driving device Akira Yasuda, Hiroshi Iwamura 2021-07-06
10907323 Hydraulic drive device for working machine Yoshifumi Takimoto, Kazuo Takiguchi, Chinori Iio, Hiromasa Takahashi 2021-02-02
10687141 Speaker driving device Akira Yasuda, Hiroshi Iwamura 2020-06-16
10443746 Pressure reducing valve unit Takeshi Kobayashi, Mitsuhiro Yoshimoto, Kazuo Takiguchi, Masakazu Andou, Yoshifumi Takimoto 2019-10-15
9973850 Speaker control device and speaker control method Akira Yasuda 2018-05-15
9793868 Digital acoustic system Akira Yasuda 2017-10-17
9735796 Selection device Akira Yasuda 2017-08-15
9693136 Digital speaker driving apparatus Akira Yasuda 2017-06-27
9641931 Drive circuit Akira Yasuda 2017-05-02
9628928 Speaker control device Akira Yasuda 2017-04-18
9544691 Acoustic playback system Akira Yasuda 2017-01-10
9362943 Converter Akira Yasuda 2016-06-07
9300310 Selection device Akira Yasuda 2016-03-29
9287809 Inverter for a driving a motor Akira Yasuda 2016-03-15
9226053 Digital speaker driving apparatus Akira Yasuda 2015-12-29
9219960 Acoustic playback system Akira Yasuda 2015-12-22
8933833 Conversion device Akira Yasuda 2015-01-13
8306244 Digital speaker driving apparatus Akira Yasuda 2012-11-06
7535957 Transmitter circuit, receiver circuit, clock data recovery phase locked loop circuit, data transfer method and data transfer system Seiichi Ozawa, Yohei Ishizone, Satoshi Miura 2009-05-19
7339421 Differential circuit and receiver with same 2008-03-04
7095895 Semiconductor integrated circuit for realizing coding circuit Tatsuo Tsujita 2006-08-22
6452824 Semiconductor memory device 2002-09-17
6249451 Data line connections with twisting scheme technical field 2001-06-19
6084816 Semiconductor memory device 2000-07-04