Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
TS

Tadashi Shibata — 111 Patents

UNUnknown: 43 patents #34 of 83,584Top 1%
Panasonic: 17 patents #1,285 of 21,108Top 7%
TOToshiba: 9 patents #51 of 2,688Top 2%
NCNippondenso Co.: 8 patents #238 of 3,479Top 7%
Canon: 8 patents #7,260 of 19,416Top 40%
Bridgestone: 7 patents #326 of 2,860Top 15%
TSTadashi Shibata: 5 patents #1 of 7Top 15%
Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
IAI.F. Associates: 4 patents #1 of 16Top 7%
TOTadahiro Ohmi: 3 patents #8 of 65Top 15%
Rohm Co.: 2 patents #1,039 of 2,292Top 50%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
PUPresident Of Tohoku University: 1 patents #10 of 28Top 40%
ADAdvantest: 1 patents #714 of 1,193Top 60%
FIFrontec Incorporated: 1 patents #20 of 40Top 50%
Hitachi: 1 patents #17,742 of 28,497Top 65%
NTNTT: 1 patents #2,911 of 4,871Top 60%
Applied Materials: 1 patents #4,780 of 7,310Top 70%
TKTakasago Netsugaku Kogyo Kabushiki Kaisha: 1 patents #3 of 13Top 25%
Osaka, CA: #16 of 107 inventorsTop 15%
Overall (All Time): #11,696 of 4,157,543Top 1%
111 Patents All Time

Issued Patents All Time

Showing 76–100 of 111 patents

Patent #TitleCo-InventorsDate
5661421 Semiconductor integrated data matching circuit Tadahiro Ohmi, Koji Kotani 1997-08-26
5621336 Neuron circuit Tadahiro Ohmi 1997-04-15
5608340 Four-terminal semiconductor device Tadahiro Ohmi 1997-03-04
5594372 Source follower using NMOS and PMOS transistors Tadahiro Ohmi 1997-01-14
5592015 Dielectric isolated type semiconductor device provided with bipolar element Makio Iida, Takayuki Sugisaka, Shoji Miura, Toshio Sakakibara 1997-01-07
5587668 Semiconductor devices utilizing neuron MOS transistors Tadahiro Ohmi 1996-12-24
5576376 Rubber composition containing a conjugated diene polymer Ryota Fujio 1996-11-19
5550200 Method of producing conjugated diene-aromatic vinyl hydrocarbon copolymers Ryota Fujio 1996-08-27
5539329 Programmable logic circuit w/neuron MOS transistors Tadhiro Ohmi 1996-07-23
5521403 Field-effect transistor having a graded contact layer Masanori Usui, Takatoshi Kato, Hiroyuki Kano 1996-05-28
5521858 Semiconductor device Tadahiro Ohmi 1996-05-28
5508336 Rubber composition Hideo Takeichi, Koichi Morita 1996-04-16
5469085 Source follower using two pairs of NMOS and PMOS transistors Tadahiro Ohmi 1995-11-21
5461584 Semiconductor sensor device Toshio Ikuta 1995-10-24
5444650 Semiconductor programmable read only memory device Hirofumi Abe 1995-08-22
5370274 Apparatus for cleaning a wafer surface Tadahiro Ohmi 1994-12-06
5362672 Method of forming a monocrystalline film having a closed loop step portion on the substrate Tadahiro Ohmi, Masaru Umeda 1994-11-08
5316645 Plasma processing apparatus Atsushi Yamagami, Nobuyuki Okamura, Tadahiro Ohmi, Haruhiro Harry Goto 1994-05-31
5258657 Neuron circuit Tadahiro Ohmi 1993-11-02
5193651 Elevator apparatus Masayuki Shigeta, Jun Sugahara, Toshihiko Nara, Kiyoyasu Mitsumori 1993-03-16
5160429 Piping system for supplying ultra-pure water Tadahiro Ohmi, Michiya Kawakami, Masaru Umeda 1992-11-03
5110438 Reduced pressure surface treatment apparatus Tadahiro Ohmi, Masaru Umeda 1992-05-05
4984060 Semiconductor device wirings with hillocks Tadahiro Ohmi, Masaru Umeda 1991-01-08
4914050 Semiconductor device and manufacturing method thereof 1990-04-03
4860084 Semiconductor device MOSFET with V-shaped drain contact 1989-08-22