Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Shunpei Yamazaki

Shunpei Yamazaki — 6,629 Patents

SLSemiconductor Energy Laboratory: 6576 patents #1 of 1,113Top 1%
Sharp Kabushiki Kaisha: 19 patents #838 of 10,731Top 8%
SCSemiconductor Energy Laboratories Co.: 6 patents #1 of 38Top 3%
Ricoh Company: 3 patents #4,826 of 9,818Top 50%
SCSemiconductor Energy Co.: 3 patents #1 of 13Top 8%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
TITakasago International: 1 patents #239 of 465Top 55%
Eastman Kodak: 1 patents #4,972 of 8,114Top 65%
Tokyo, MO: #1 of 223 inventorsTop 1%
Overall (All Time): #1 of 4,157,543Top 1%
6629 Patents All Time

Issued Patents All Time

Showing 6,426–6,450 of 6,629 patents

Patent #TitleCo-InventorsDate
5021839 FET with a super lattice channel 1991-06-04
5017264 Method of eliminating carbon material by chemical vapor reaction Kenji Itoh 1991-05-21
5015494 Microwave enhanced CVD method for depositing diamond 1991-05-14
5013579 Microwave enhanced CVD method for coating mechanical parts for improved wear resistance 1991-05-07
5011270 Liquid crystal electro-optical device and manufacturing method therefor Masahiko Sato 1991-04-30
5008171 Printing member for electrostatic photocopying 1991-04-16
5007374 Apparatus for forming thin films in quantity Shinji Imatou, Mitsunori Tsuchiya, Kenji Itoh, Takashi Inushima, Atsushi Kawano 1991-04-16
5008211 Method for forming FET with a super lattice channel 1991-04-16
4999270 Printing member for electrostatic photocopying 1991-03-12
4999693 Photoelectric conversion device with a high response speed Akira Mase, Toshiji Hamatani 1991-03-12
4995706 Liquid crystal device with a ferroelectric thin film Takashi Inujima, Toshimitsu Konuma, Toshiji Hamatani, Mitsunori Sakama, Toshiharu Yamaguchi +1 more 1991-02-26
4988642 Semiconductor device, manufacturing method, and system 1991-01-29
4988634 Method for forming FET with a super lattice channel 1991-01-29
4986213 Semiconductor manufacturing device Kunio Suzuki, Susumu Nagayama, Takashi Inujima, Masayoshi Abe, Takeshi Fukada +5 more 1991-01-22
4986638 Liquid crystal electro-optical device Masahiko Sato 1991-01-22
4987008 Thin film formation method Kazuo Urata, Mamoru Tashiro, Yuji Tanamura, Shinji Imato 1991-01-22
4987004 Plasma processing method and apparatus Mitsunori Tsuchiya, Atsushi Kawano, Shinji Imatou, Kazuhisa Nakashita, Toshiji Hamatani +2 more 1991-01-22
4984034 Non-single-crystalline light emitting semiconductor device matrix with insulation 1991-01-08
4980338 Method of producing superconducting ceramic patterns by etching 1990-12-25
4978203 Liquid crystal device with an apparent hysteresis Takashi Inujima, Toshiji Hamatani, Toshimitsu Konuma, Mitsunori Sakama, Ippei Kobayashi +1 more 1990-12-18
4975144 Method of plasma etching amorphous carbon films Kenji Itoh 1990-12-04
4975145 Method for manufacturing liquid crystal device having electrode strips of no use Akira Mase, Hiroyuki Sakayori 1990-12-04
4974939 Liquid crystal device having electrode strips in the peripheral seal Akira Mase, Hiroyuki Sakayori 1990-12-04
4973494 Microwave enhanced CVD method for depositing a boron nitride and carbon 1990-11-27
4971667 Plasma processing method and apparatus Mitsunori Tsuchiya, Atsushi Kawano, Shinji Imatou, Kazuhisa Nakashita, Toshiji Hamatani +2 more 1990-11-20