HW

Hirohisa Warita

Sharp Kabushiki Kaisha: 16 patents #1,028 of 10,731Top 10%
Overall (All Time): #298,512 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
9497808 LED drive circuit and LED illumination apparatus Takeshi Murata, Atsushi Kanamori, Hideo Matsuda, Takayuki Shimizu 2016-11-15
8970123 LED drive circuit and LED illumination light Atsushi Kanamori, Takayuki Shimizu 2015-03-03
8878449 LED drive circuit and LED illumination unit Atsushi Kanamori, Takayuki Shimizu 2014-11-04
8810135 LED drive circuit, LED illumination component, LED illumination device, and LED illumination system Yasuhiro Maruyama, Hiroyuki Shoji, Mitsuru Mariyama, Masakazu Ikeda, Katsumi Inaba +1 more 2014-08-19
8710766 LED driving circuit, LED illumination appliance, LED illuminator, and LED illumination system Atsushi Kanamori, Takeshi Murata 2014-04-29
8692469 LED drive circuit and LED illumination apparatus using the same Takayuki Shimizu, Atsushi Kanamori, Takeshi Murata 2014-04-08
8653751 LED drive circuit and LED illumination component using the same Takayuki Shimizu, Atsushi Kanamori 2014-02-18
8643301 LED driver circuit and LED lighting device using the same Atsushi Kanamori, Takayuki Shimizu, Hiroyuki Shoji 2014-02-04
8421371 LED drive circuit, LED illumination fixture, LED illumination device, and LED illumination system Takayuki Shimizu, Atsushi Kanamori, Mitsuru Mariyama 2013-04-16
8400079 LED drive circuit, dimming device, LED illumination fixture, LED illumination device, and LED illumination system Atsushi Kanamori 2013-03-19
8258706 LED drive circuit, LED illumination component, LED illumination device, and LED illumination system Yasuhiro Maruyama, Hiroyuki Shoji, Mitsuru Mariyama, Masakazu Ikeda, Katsumi Inaba +1 more 2012-09-04
7737773 Semiconductor device, step-down chopper regulator, and electronic equipment Atsushi Kanamori, Tadamasa Kimura 2010-06-15
7262582 Switching power supply circuit and electronic apparatus provided therewith Atsushi Kanamori, Katsumi Inaba, Tsutomu Satoh 2007-08-28
7223963 Optical encoder Norikazu Okada, Hiroki Nakamura, Kazufumi Oki 2007-05-29
7129679 Power supply circuit having soft start Katsumi Inaba, Tsutomu Satoh, Atsushi Kanamori 2006-10-31
6201674 Direct-current stabilization power supply device Akio Nakajima 2001-03-13