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 6,551–6,575 of 6,629 patents

Patent #TitleCo-InventorsDate
4710397 Photoelectric conversion device and its manufacturing method 1987-12-01
4704300 Method for producing silicon nitride layer 1987-11-03
4704624 Semiconductor photoelectric conversion device with partly crystallized intrinsic layer Susumu Nagayama 1987-11-03
4703337 Semiconductor photoelectric conversion device, light-transparent substrate therefor and their manufacturing methods 1987-10-27
4694312 Non-single-crystal semiconductor light emitting device 1987-09-15
4691995 Liquid crystal filling device Toshimitsu Konuma, Toshiji Hamatani, Akira Mase, Kaoru Koyanagi, Shinji Imato +3 more 1987-09-08
4686760 Method of making photoelectric conversion device 1987-08-18
4680855 Electronic device manufacturing methods Kenji Itoh, Susumu Nagayama 1987-07-21
4670294 Photoelectric conversion device and its manufacturing method 1987-06-02
4668969 Vertical non-single crystal semiconductor field effect transistor 1987-05-26
4659867 Photoelectric conversion panel and assembly thereof 1987-04-21
4659507 Silicon fiber and method of making the same 1987-04-21
4656101 Electronic device with a protective film 1987-04-07
4654680 Sidewall gate IGFET 1987-03-31
4654467 Photoelectric conversion panel and assembly thereof 1987-03-31
4651182 Insulated-gate field effect transistor and method of fabricating the same 1987-03-17
4642243 Method and apparatus for forming non-single-crystal layer 1987-02-10
4640845 Method and apparatus for forming non-single-crystal layer 1987-02-03
4638108 Photoelectric conversion device 1987-01-20
4636401 Apparatus for chemical vapor deposition and method of film deposition using such deposition Mamoru Tashiro, Minoru Miyazaki 1987-01-13
4631801 Method of making photoelectric conversion device 1986-12-30
4633287 Semiconductor photoelectric conversion device 1986-12-30
4623369 Refining process of reactive gas for forming semiconductor layer 1986-11-18
4622432 Photoelectric conversion device 1986-11-11
4616244 Non-single-crystal semiconductor light emitting device 1986-10-07