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 101–111 of 111 patents

Patent #TitleCo-InventorsDate
4830971 Method for manufacturing a semiconductor device utilizing self-aligned contact regions 1989-05-16
4631686 Semiconductor integrated circuit device Yasuo Ikawa, Kiyoshi Urui, Misao Miyata, Masahiko Kawamura, Noboru Amano 1986-12-23
4622735 Method for manufacturing a semiconductor device utilizing self-aligned silicide regions 1986-11-18
4577395 Method of manufacturing semiconductor memory device having trench memory capacitor 1986-03-25
4543597 Dynamic semiconductor memory and manufacturing method thereof 1985-09-24
4528744 Method of manufacturing a semiconductor device 1985-07-16
4500905 Stacked semiconductor device with sloping sides 1985-02-19
4472874 Method of forming planar isolation regions having field inversion regions Kei Kurosawa 1984-09-25
4407851 Method for manufacturing semiconductor device Kei Kurosawa 1983-10-04
4309224 Method for manufacturing a semiconductor device 1982-01-05
4267011 Method for manufacturing a semiconductor device Hisakazu Iizuka 1981-05-12