HM

Hirofumi Muramatsu

RO Roland: 3 patents #78 of 292Top 30%
OC Oki Electric Industry Co.: 2 patents #947 of 2,807Top 35%
LC Lapis Semiconductor Co.: 1 patents #173 of 349Top 50%
OC Oki Semiconductor Co.: 1 patents #202 of 526Top 40%
Overall (All Time): #730,333 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
D776190 Electronic musical instrument with keyboard Akihito Kimura, Masaaki Kurata 2017-01-10
D740237 Pedal switch Yoji Inagaki 2015-10-06
8885895 Fingerprint authentication device and computer readable medium Kenichi Morioka 2014-11-11
8415051 Battery storage structure for acoustic equipment Yasunori Nagaoka 2013-04-09
7885720 Decoder for fast feed and rewind Masaru Nagase 2011-02-08
7032094 Method of controlling flash memory 2006-04-18
6854047 Data storage device and data transmission system using the same 2005-02-08