TM

Teruo Maruyama

Sumitomo Electric Industries: 63 patents #97 of 21,551Top 1%
TO Tokkyokiki: 4 patents #3 of 18Top 20%
PA Panasonic: 4 patents #6,180 of 21,108Top 30%
Aisin Seiki Kabushiki Kaisha: 2 patents #1,427 of 3,782Top 40%
Overall (All Time): #26,142 of 4,157,543Top 1%
74
Patents All Time

Issued Patents All Time

Showing 26–50 of 74 patents

Patent #TitleCo-InventorsDate
5478210 Multi-stage vacuum pump Akira Takara 1995-12-26
5449276 Two stage vacuum pump having different diameter interengaging rotors Akira Takara 1995-09-12
5445502 Vacuum pump having parallel kinetic pump inlet section Daisuke Itou 1995-08-29
5417551 Housing arrangement for a synchronous plural motor fluid rotary apparatus Yoshikazu Abe, Akira Takara, Norio Okutani 1995-05-23
5393201 Synchronous rotating apparatus for rotating a plurality of shafts Norio Okutani 1995-02-28
5374173 Fluid rotating apparatus with sealing arrangement Akira Takara, Yoshikazu Abe 1994-12-20
5367997 Throttle actuator Masahiro Kawamura, Masuo Takigawa, Yasuhiro Kondou, Tutomu Hamada, Akio Masuo 1994-11-29
5354179 Fluid rotating apparatus Tatsuhisa Taguchi, Yoshikazu Abe, Mikio Hasegawa 1994-10-11
5352097 Vacuum pump Daisuke Itou 1994-10-04
5348448 Fluid rotating apparatus with plural drive motor synchronization system Yoshihiro Ikemoto 1994-09-20
5329216 Multi-shaft driving apparatus and fluid rotary apparatus Mikio Hasegawa 1994-07-12
5314312 Fluid-rotating apparatus Yoshihiro Ikemoto 1994-05-24
5302089 Fluid rotating apparatus Akira Takara, Yoshikazu Abe 1994-04-12
5295798 Fluid rotating apparatus with rotor communicating path Akira Takara, Yoshikazu Abe 1994-03-22
5271719 Fluid rotating apparatus and method of controlling the same Yoshikazu Abe, Akira Takara 1993-12-21
5197861 Fluid rotating apparatus Tatsuhisa Taguchi, Yoshikazu Abe, Mikio Hasegawa 1993-03-30
4969797 Fan motor Akira Takara 1990-11-13
4925321 Dynamic pressure air bearing unit Akira Takara 1990-05-15
4883367 Bearing unit 1989-11-28
4815944 Variable capacity compressor Yoshikazu Abe, Tatuhisa Taguti 1989-03-28
4797011 Solid lubricant bearing Hiroshi Saeki 1989-01-10
4781103 Fluid servomechanism 1988-11-01
4646621 Hydraulic servo actuator Takuya Sekiguchi 1987-03-03
4627291 Position sensing apparatus for an object to be measured Toshinori Otsuki 1986-12-09
4580949 Sliding vane type rotary compressor Tadayuki Onoda 1986-04-08