YS

Yasumasa Sasaki

SK Showa Denko K.K.: 13 patents #72 of 1,736Top 5%
KT Kabushiki Kaisha Toshiba: 4 patents #6,684 of 21,451Top 35%
TC Toyoda Gosei Co.: 4 patents #572 of 2,296Top 25%
FC Furukawa Electric Co.: 1 patents #1,242 of 2,370Top 55%
SC Santen Pharmaceutical Co.: 1 patents #178 of 291Top 65%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
Overall (All Time): #173,232 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
10854448 Plasma generating device, plasma sputtering device, and plasma sputtering method Kazunori Takahashi, Jun FUKUSHIMA, Akira Ando 2020-12-01
8882971 Sputtering apparatus and manufacturing method of semiconductor light-emitting element Hisayuki Miki, Kenzo Hanawa, Yasunori Yokoyama 2014-11-11
8802187 Solar cell and process for producing the same Yoshiaki Ikenoue, Hisayuki Miki, Kenzo Hanawa, Hitoshi Yokouchi, Ryoko Konta +1 more 2014-08-12
8588388 Telephone system and server apparatus and control method used in telephone system Motohisa Araki, Toshio Nishida, Yoshimitsu Ebisawa 2013-11-19
8557092 Sputtering deposition apparatus and backing plate for use in sputtering deposition apparatus Hisayuki Miki, Kenzo Hanawa 2013-10-15
8471266 Group III nitride semiconductor multilayer structure and production method thereof Kenzo Hanawa 2013-06-25
8389313 Deposition method of III group nitride compound semiconductor laminated structure Hisayuki Miki, Kenzo Hanawa 2013-03-05
8389048 Magnetic recording medium, method for production thereof and magnetic recording and reproducing device Masato Fukushima, Akira Sakawaki 2013-03-05
8309982 Group-III nitride semiconductor light-emitting device, method for manufacturing the same, and lamp Kenzo Hanawa, Hiromitsu Sakai 2012-11-13
8263190 Method of producing magnetic recording medium, and magnetic recording and reading device Masato Fukushima, Akira Sakawaki 2012-09-11
8227284 Group-III nitride compound semiconductor light-emitting device, method of manufacturing group-III nitride compound semiconductor light-emitting device, and lamp Hisayuki Miki, Kenzo Hanawa 2012-07-24
8213118 Magnetic recording medium, method for production thereof and magnetic recording and reproducing device Masato Fukushima, Akira Sakawaki 2012-07-03
8211727 Group III nitride semiconductor multilayer structure and production method thereof Kenzo Hanawa 2012-07-03
8198179 Method for producing group III nitride semiconductor light-emitting device Hisayuki Miki 2012-06-12
8168460 Method for manufacturing group III nitride compound semiconductor light-emitting device, group III nitride compound semiconductor light-emitting device, and lamp Hisayuki Miki, Kenzo Hanawa 2012-05-01
8148712 Group III nitride compound semiconductor stacked structure Hisayuki Miki, Hiromitsu Sakai, Kenzo Hanawa, Yasunori Yokoyama, Hiroaki Kaji 2012-04-03
8099461 Conference system and its multimedia data storage method Fumikazu Matsukawa, Shigeru Fukazawa, Koji Shima, Nobuyuki Takeda 2012-01-17
8097482 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 Kenzo Hanawa, Hisayuki Miki 2012-01-17
8081738 Visual communication system and its main apparatus Nobuyuki Takeda, Koji Shima 2011-12-20
7923034 Process for producing microparticles Kazuhito Yamada, Fumitaka Tasaka, Mitsuaki Kuwano 2011-04-12
7749785 Manufacturing method of group III nitride semiconductor light-emitting device Hisayuki Miki 2010-07-06
7688751 Server apparatus Noboyuki Takeda, Fumikazu Matsukawa, Shinichi Kashimoto, Shigeru Fukazawa 2010-03-30
7585690 Process for producing group III nitride compound semiconductor light emitting device, group III nitride compound semiconductor light emitting device and lamp Hisayuki Miki, Kenzo Hanawa 2009-09-08
5262365 Quartz glass doped with rare earth element and production thereof Akira Oyobe, Kazunori Nakamura, Nobuyuki Kagi 1993-11-16