MI

Masatsugu Ichikawa

Nichia: 38 patents #22 of 1,531Top 2%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
📍 Tokushima, JP: #30 of 1,059 inventorsTop 3%
Overall (All Time): #84,493 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
9553241 Semiconductor light emitting device and method for producing the same 2017-01-24
9502608 Method of manufacturing a light emitting device in which light emitting element and light transmissive member are directly bonded 2016-11-22
9293642 Light emitting device including light emitting element and wavelength converting member with regions having irregular atomic arrangments 2016-03-22
9293643 Method of manufacturing light emitting device including light emitting element and wavelength converting member 2016-03-22
9257619 Light-emitting device and manufacturing method thereof Takehito Shimatsu 2016-02-09
8980661 Method for manufacturing light emitting device Masahiko Sano, Daisuke Sanga, Toru Takasone, Shunsuke Minato 2015-03-17
8916399 Method of manufacturing light emitting device including light emitting element and wavelength converting member 2014-12-23
8889443 Method of forming light converting layer, method of manufacturing light converting member, and method of manufacturing light emitting device Masahiko Sano 2014-11-18
8835951 Light emitting device 2014-09-16
8647906 Method for manufacturing a light emitting device 2014-02-11
8552448 Light emitting device 2013-10-08
8076694 Nitride semiconductor element having a silicon substrate and a current passing region Yukio Narukawa, Tomotsugu Mitani, Akira Kitano, Takao Misaki 2011-12-13
7963817 Phosphor-containing molded member, method of manufacturing the same, and light emitting device having the same Masatoshi Kameshima, Shoji Hosokawa, Hiroto Tamaki, Shoichi Yamada, Daisuke Iwakura 2011-06-21