KM

Keiichi Muramatsu

FC Funai Electric Co.: 3 patents #330 of 943Top 35%
Yamaha: 2 patents #899 of 2,001Top 45%
AR Asahi Rubber: 1 patents #20 of 63Top 35%
NU National University Corporation Saitama University: 1 patents #26 of 128Top 25%
Overall (All Time): #819,321 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11476395 Light source, LED device, and light emitting display structure Naoya Mashiko, Takashi Kanahira, Masutsugu Tasaki, Eiji Ishiguro, Keiichi Watanuki +1 more 2022-10-18
8553509 Optical disc apparatus 2013-10-08
7965588 Optical disk apparatus 2011-06-21
7860756 Optical disc apparatus 2010-12-28
6645907 Photooxidation catalyst and manufacturing method therefor 2003-11-11
6555498 Photooxidation catalyst and manufacturing method therefor 2003-04-29