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 6,576–6,600 of 6,629 patents

Patent #TitleCo-InventorsDate
4616244 Non-single-crystal semiconductor light emitting device 1986-10-07
4603470 Method of making plurality of series connected solar cells using multiple groove forming processes 1986-08-05
4604231 Silicon fiber and method of making the same 1986-08-05
4600670 Printing member for electrostatic photocopying 1986-07-15
4599482 Semiconductor photoelectric conversion device and method of making the same 1986-07-08
4598031 Printing member for electrostatic photocopying 1986-07-01
4597161 Method of making photoelectric conversion device 1986-07-01
4595453 Method for etching a semiconductor substrate or layer Toshiji Hamatani 1986-06-17
4594471 Photoelectric conversion device 1986-06-10
4593151 Photoelectric conversion device 1986-06-03
4593152 Photoelectric conversion device 1986-06-03
4591893 Photoelectric conversion device utilizing fibrous silicon 1986-05-27
4588610 Photo-chemical vapor deposition of silicon nitride film 1986-05-13
4586241 Photoelectric conversion device manufacturing method 1986-05-06
4587187 Printing member for electrostatic photocopying 1986-05-06
4582770 Printing member for electrostatic photocopying 1986-04-15
4582720 Method and apparatus for forming non-single-crystal layer 1986-04-15
4581620 Semiconductor device of non-single crystal structure Yujiro Nagata 1986-04-08
4581476 Photoelectric conversion device 1986-04-08
4572881 Printing member for electrostatic photocopying 1986-02-25
4571446 Photoelectric conversion panel and assembly thereof 1986-02-18
4564533 Method for depositing silicon carbide non-single crystal semiconductor films 1986-01-14
4559552 PIN semiconductor photoelectric conversion device with two oxide layers 1985-12-17
4555462 Printing member for electrostatic photocopying 1985-11-26
4549889 Refining process of reactive gas for forming semiconductor layer 1985-10-29