YI

Yoshiyuki Ishiyama

Ricoh Company: 5 patents #3,664 of 9,818Top 40%
MC Murata Manufacturing Co.: 2 patents #2,631 of 5,295Top 50%
Overall (All Time): #721,025 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10675868 Liquid discharging device and drive waveform control method Yusuke NONOYAMA, Masanori Hirano, Shinichi Hatanaka 2020-06-09
8692628 High-frequency module 2014-04-08
8581673 Circuit module Yasuhiro Takahashi, Koji Furutani 2013-11-12
7518967 Position control method and device, and optical disk device 2009-04-14
7391682 Optical disk system with improved signal regulation capability Toshihiro Yamashiro, Yutaka Shio, Yasuhide Konishi 2008-06-24
7239590 Write power control method, write power control apparatus and information recording apparatus having the same 2007-07-03
6967913 Information processing method for achieving optimization of recording velocity Akihiko Okamoto 2005-11-22