YY

Yasunori Yokoyama

SK Showa Denko K.K.: 10 patents #113 of 1,736Top 7%
TC Toyoda Gosei Co.: 6 patents #376 of 2,296Top 20%
YE Yokogawa Electric: 2 patents #398 of 1,441Top 30%
DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%
Overall (All Time): #231,141 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12386023 Detection device and detection method Yoshifumi Shimizu, Takashi Yoshiura, Kohki Nishide 2025-08-12
9040319 Group-III nitride compound semiconductor light-emitting device, method of manufacturing group-III nitride compound semiconductor light-emitting device, and lamp Hisayuki Miki 2015-05-26
8882971 Sputtering apparatus and manufacturing method of semiconductor light-emitting element Hisayuki Miki, Kenzo Hanawa, Yasumasa Sasaki 2014-11-11
8765507 Method for manufacturing group III nitride semiconductor, method for manufacturing group III nitride semiconductor light-emitting device, group III nitride semiconductor light-emitting device, and lamp Hisayuki Miki 2014-07-01
8669129 Method for producing group III nitride semiconductor light-emitting device, group III nitride semiconductor light-emitting device, and lamp Hisayuki Miki, Takehiko Okabe, Kenzo Hanawa 2014-03-11
8614454 Semiconductor light-emitting device, manufacturing method thereof, and lamp 2013-12-24
8569794 Group III nitride semiconductor device and method for manufacturing the same, group III nitride semiconductor light-emitting device and method for manufacturing the same, and lamp Hisayuki Miki 2013-10-29
8383439 Apparatus for manufacturing group-III nitride semiconductor layer, method of manufacturing group-III nitride semiconductor layer, group-III nitride semiconductor light-emitting device, method of manufacturing group-III nitride semiconductor light-emitting device, and lamp Takehiko Okabe, Hisayuki Miki 2013-02-26
8368103 Compound semiconductor light-emitting element and method of manufacturing the same, conductive translucent electrode for compound semiconductor light-emitting element, lamp, electronic device, and mechanical apparatus Hironao Shinohara, Naoki Fukunaga 2013-02-05
8273592 Method of manufacturing group-III nitride semiconductor light emitting device, group III nitride semiconductor light emitting device and lamp Hisayuki Miki 2012-09-25
8227359 Method for manufacturing group III nitride semiconductor layer, method for manufacturing group III nitride semiconductor light-emitting device, and group III nitride semiconductor light-emitting device, and lamp Hisayuki Miki 2012-07-24
8148712 Group III nitride compound semiconductor stacked structure Hisayuki Miki, Hiromitsu Sakai, Kenzo Hanawa, Yasumasa Sasaki, Hiroaki Kaji 2012-04-03
8106419 Group-III nitride compound semiconductor light-emitting device, method of manufacturing group-III nitride compound semiconductor light-emitting device, and lamp Hisayuki Miki 2012-01-31
8080484 Method for manufacturing group III nitride semiconductor layer, method for manufacturing group III nitride semiconductor light-emitting device, and group III nitride semiconductor light-emitting device, and lamp Hisayuki Miki 2011-12-20
8012784 Method for producing group III nitride semiconductor light emitting device, group III nitride semiconductor light emitting device, and lamp Hisayuki Miki, Takehiko Okabe, Kenzo Hanawa 2011-09-06
7935980 Method of manufacturing a semiconductor light-emitting device Kenzo Hanawa 2011-05-03
7867801 Apparatus for producing group-III nitride semiconductor layer, method of producing group-III nitride semiconductor layer, method of producing group-III nitride semiconductor light-emitting device, group-III nitride semiconductor light-emitting device thereof, and lamp thereof Takehiko Okabe, Hisayuki Miki 2011-01-11
7692856 Focus error detecting optical system for a microscope Kenta Mikuriya, Takayuki Kei, Naomichi Chida, Yoshiaki Naganuma 2010-04-06
6392105 Process for production of fluoroalcohol Toru Yoshizawa, Shoji Takaki, Takashi Yasuhara 2002-05-21