TY

Takahiro Yoshikawa

Ricoh Company: 25 patents #815 of 9,818Top 9%
Sharp Kabushiki Kaisha: 11 patents #1,520 of 10,731Top 15%
ND Nitto Denko: 9 patents #365 of 2,479Top 15%
SP Sakai Display Products: 6 patents #27 of 175Top 20%
KA Kao: 4 patents #816 of 3,221Top 30%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
TI Toray Industries: 1 patents #2,000 of 3,690Top 55%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
AC Aces Electronics Co.: 1 patents #20 of 32Top 65%
Overall (All Time): #38,490 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 51–60 of 60 patents

Patent #TitleCo-InventorsDate
7043185 Fixing apparatus and image forming apparatus for fixing a toner image on a recording medium 2006-05-09
6823149 Image forming apparatus with variable speed transferring and fixing devices Takayuki Maruta, Hitoshi Ishibashi, Yuuji Sawai 2004-11-23
6757502 Image forming apparatus 2004-06-29
6501914 Jam detector for an image fixing apparatus 2002-12-31
6160974 Image forming apparatus capable of switching a sheet interval mode during an image forming cycle Shinji Etoh 2000-12-12
5850588 Image forming apparatus having an improved web type cleaning device for a fixing roller 1998-12-15
5402211 Heated fixing roller with selectively heatable portions 1995-03-28
RE33340 Color printer having apparatus for shifting ink ribbon Tetsuo Tsukada, Hideyuki Shimobuchi 1990-09-18
4938071 Device for detecting properties of sheets of paper of the like Tetsuji Kobayashi, Makoto Akashi, Shigeru Kusaka 1990-07-03
4695175 Color printer having apparatus for shifting ink ribbon Tetsuo Tsukada, Hideyuki Shimobuchi 1987-09-22