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 6,601–6,625 of 6,629 patents

Patent #TitleCo-InventorsDate
4543267 Method of making a non-single-crystalline semi-conductor layer on a substrate 1985-09-24
4541166 Method of making semiconductor deivce using a conductive layer as mask 1985-09-17
4529829 Photoelectric conversion device 1985-07-16
4528065 Photoelectric conversion device and its manufacturing method 1985-07-09
4528252 Light energy conversion system 1985-07-09
4527006 Photoelectric conversion device 1985-07-02
4527179 Non-single-crystal light emitting semiconductor device 1985-07-02
4525435 Light energy conversion system 1985-06-25
4525437 Light energy conversion system 1985-06-25
4525436 Light energy conversion system 1985-06-25
4518815 Photoelectric conversion device 1985-05-21
4505950 Method of manufacturing a multiple-layer, non-single-crystalline semiconductor on a substrate 1985-03-19
4498092 Semiconductor photoelectric conversion device 1985-02-05
4492716 Method of making non-crystalline semiconductor layer 1985-01-08
4470060 Liquid crystal display with vertical non-single crystal semiconductor field effect transistors 1984-09-04
4464415 Photoelectric conversion semiconductor manufacturing method 1984-08-07
4461783 Non-single-crystalline semiconductor layer on a substrate and method of making same 1984-07-24
4452857 Magnetic medium 1984-06-05
4451838 Semiconductor photoelectric conversion device 1984-05-29
4419381 Method of making magnetic material layer 1983-12-06
4418132 Member for electrostatic photocopying with Si.sub.3 N.sub.4-x (0<x<4) 1983-11-29
4409134 Photoelectric conversion semiconductor and manufacturing method thereof 1983-10-11
4403239 MIS Type semiconductor photoelectric conversion device 1983-09-06
4398343 Method of making semi-amorphous semiconductor device 1983-08-16
4387387 PN Or PIN junction type semiconductor photoelectric conversion device 1983-06-07