KK

Kazuhiro Kumada

PA Panasonic: 13 patents #1,866 of 21,108Top 9%
Overall (All Time): #380,588 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10076010 Lighting device, and luminaire Shinichi Murakami 2018-09-11
9992837 Lighting device, luminaire, and control method for the lighting device Shinichi Murakami, Ryuhei Hayashi 2018-06-05
9655194 Lighting control device, lighting device, and lighting fixture Koji Uenoyama, Miyo Kangyo 2017-05-16
9532414 Lighting device Masafumi Yamamoto, Yuji Yoshimoto 2016-12-27
9521717 LED driver, lighting equipment and light fixture Miyo Kangyo, Koji Watanabe, Shinichi Murakami 2016-12-13
9485822 Lighting device, luminaire using lighting device, and lighting system using luminaire Shinichi Murakami, Koji Watanabe, Miyo Kangyo 2016-11-01
9350248 Power supply device with parallel buck converters 2016-05-24
9295138 Lighting device and luminaire using the same 2016-03-22
9089033 LED lighting device 2015-07-21
8604707 Power supply Yosikazu Kado, Satoru Nagata, Kazuhiro Nisimoto 2013-12-10
8502463 LED driver circuit with open load detection and associated control method Hiromitsu Mizukawa, Yoshifumi Kuroki 2013-08-06
8390213 LED power-source circuit and illumination fixture using the same Yoshifumi Kuroki, Hiromitsu Mizukawa 2013-03-05
7839069 Method for manufacturing direct backlight unit, fluorescent lamp and backlight unit Akiko Nakanishi, Taizou Ono, Hirofumi Yamashita, Haruo Yamazaki, Shinji Kihara +7 more 2010-11-23