Hisao Sato has been granted 60 US patents while listed as an inventor at Seiko Epson . The first was granted in 1980 and the most recent in November 2016. Hisao Sato ranks #38,820 of 4,157,543 US inventors in our database (top 0.93%). Patent records list Hisao Sato in Ichihara, JP.
Patents per Year Patents granted per year, 1980 to 2016 Bar chart with a peak of 4 patents in 1985. peak 4 1980: 1 patents 1980 1981: 1 patents 1982: 2 patents 1983: 2 patents 1983 1984: 1 patents 1985: 4 patents 1988: 2 patents 1988 1989: 2 patents 1991: 3 patents 1992: 4 patents 1992 1994: 2 patents 1995: 2 patents 1996: 2 patents 1996 1997: 3 patents 1998: 3 patents 1999: 4 patents 1999 2000: 1 patents 2002: 2 patents 2003: 2 patents 2003 2004: 1 patents 2005: 1 patents 2006: 2 patents 2006 2007: 1 patents 2008: 2 patents 2009: 1 patents 2009 2010: 1 patents 2012: 2 patents 2014: 1 patents 2014 2015: 4 patents 2016: 1 patents 2016 Issued Patents All Time
Showing 1–25 of 60 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
9496459 Semiconductor light emitting element and light emitting device Katsuki Kusunoki 2016-11-15
9190561 Semiconductor light emitting element and light emitting device Shunsuke Teranishi 2015-11-17
9099572 Semiconductor light emitting element and method of manufacturing semiconductor light emitting element Katsuki Kusunoki 2015-08-04
9048386 Semiconductor light-emitting element and light-emitting device Shunsuke Teranishi 2015-06-02
8963122 Semiconductor light emitting element and light emitting device Katsuki Kusunoki 2015-02-24
8866346 Circuit device, electronic apparatus and power supply circuit — 2014-10-21
8258771 Circuit device, electronic apparatus, and power supply method Atsushi Yamada , Norikazu TSUKAHARA , Toshikazu Kuwano , Yasuhiro Takahashi 2012-09-04
8213188 Bidirectional DC-DC converter Nobuhiro Tada 2012-07-03
7727873 Production method of gallium nitride-based compound semiconductor multilayer structure Hitoshi Takeda 2010-06-01
$453,000
7521777 Gallium nitride-based compound semiconductor multilayer structure and production method thereof Hisayuki Miki 2009-04-21
$873,000
7447724 Error function calculation device and error function calculation method — 2008-11-04
7372066 Gallium nitride compound semiconductor device and manufacturing method Tomoya Sugahara , Shinji Kitazawa , Yoshihiko Muramoto , Shiro Sakai 2008-05-13
7281768 Manufacturing method and apparatus of brush Kenichi Okabe , Shunji Kimura 2007-10-16
$88,000
7111028 Data conversion method, a data conversion circuit and a data conversion program — 2006-09-19
7067838 Gallium-nitride-based light-emitting apparatus Naoki Wada , Shiro Sakai , Masahiro Kimura 2006-06-27
6888966 Length calculation and determination device, angle calculation and determination device and image determination system Katsumi Komagamine 2005-05-03
D492351 Clip Yoneko Sato 2004-06-29
6605187 Method for producing pulp molded article Akira Nonomura , Yasushi Yamada , Tokuo Tsuura , Hiroaki Kobayashi 2003-08-12
6560692 Data processing circuit, microcomputer, and electronic equipment Makoto Kudo , Satoshi Kubota , Yoshiyuki Miyayama 2003-05-06
6452026 Process for producing optically active threo-3-amino-1,2-epoxy compounds Yukihiro Sagawa , Jouji Sekine 2002-09-17
6376685 Process for producing optically active threo-3-amino-1,2-epoxy compounds Yukihiro Sagawa , Jouji Sekine 2002-04-23
6067706 Clip driver — 2000-05-30
5950283 Clip — 1999-09-14
5944353 Document cover — 1999-08-31
5890642 Clip driver — 1999-04-06
