MK

Masahiko Kitagawa

Sharp Kabushiki Kaisha: 17 patents #963 of 10,731Top 9%
IBM: 4 patents #21,733 of 70,183Top 35%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
FL Fujitsu Ten Limited: 1 patents #456 of 996Top 50%
Kyocera: 1 patents #2,054 of 3,732Top 60%
Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
📍 Moriyama, JP: #48 of 2,577 inventorsTop 2%
Overall (All Time): #139,180 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4988579 Electroluminescent device of compound semiconductor Yoshitaka Tomomura 1991-01-29
4916496 ZnS blue light emitting device Yoshitaka Tomomura, Satoshi Yamaue, Shigeo Nakajima 1990-04-10
4869776 Method for the growth of a compound semiconductor crystal Yoshitaka Tomomura, Satoshi Yamaue, Shigeo Nakajima 1989-09-26