AT

Akiyoshi Tanaka

Ricoh Company: 22 patents #966 of 9,818Top 10%
Sumitomo Electric Industries: 13 patents #1,957 of 21,551Top 10%
HG HGST: 3 patents #567 of 1,677Top 35%
LP Lenovo (Singapore) Pte.: 3 patents #409 of 1,301Top 35%
IBM: 1 patents #44,794 of 70,183Top 65%
FC Fuji Machine Mfg. Co.: 1 patents #140 of 245Top 60%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
HO Hoya: 1 patents #757 of 1,290Top 60%
LL Lenovo (Singapore) Ptd. Limited: 1 patents #1 of 29Top 4%
TS Toshiba Lifestyle Products & Services: 1 patents #39 of 81Top 50%
Overall (All Time): #62,958 of 4,157,543Top 2%
46
Patents All Time

Issued Patents All Time

Showing 26–46 of 46 patents

Patent #TitleCo-InventorsDate
7042663 Magnetic disk protection mechanism, computer system comprising protection mechanism, protection method for magnetic disk, and program for protection method Susumu Shimotono, Tetsuya Noguchi, Mitsuru Ogawa 2006-05-09
7024574 Method and structure for switching between two battery units for driving an electrically driven device Shigefumi Odaohhara 2006-04-04
6688016 Angular position adjusting device Shinsuke Suhara, Takayuki Mizuno 2004-02-10
6678490 Recording medium conveying mechanism with first and second engaging portions directly engaged with each other to position first and second rotary bodies and image forming apparatus using the same 2004-01-13
6533883 Method of manufacturing optical medium Katsuhisa Itoh 2003-03-18
D468345 Toner cartridge Shuuji Tanaka, Shinji Tamaki, Takaaki Tawada 2003-01-07
6463237 Image forming apparatus and charge roller therefor Takeo Suda 2002-10-08
6370316 Apparatus for retrieving and administrating moving pictures and related network system Shin Yamada 2002-04-09
6301302 Moving picture search system cross reference to related application Yasuhiro Kikuchi, Shin Yamada 2001-10-09
6249610 Apparatus and method for coding a picture and apparatus and method for decoding a picture Taisuke Matsumoto 2001-06-19
6219382 Method and apparatus for locating a caption-added frame in a moving picture signal Yasuhiro Kikuchi, Shin Yamada 2001-04-17
RE37091 Motion compensated prediction interframe coding system Satoshi Matsuya, Wataru Fujikawa, Hiroyuki Uwabo, Ikuo Inoue, Atsushi Nagata 2001-03-13
D418862 Toner cartridge Moriaki Ogawa, Takaaki Tawada, Takeo Suda 2000-01-11
5793443 Motion vector detection circuit Katsuji Aoki, Hiroaki Aono 1998-08-11
5659364 Motion vector detection circuit Katsuji Aoki, Hiroaki Aono 1997-08-19
5410356 Scanning-line interpolation apparatus Yasuhiro Kikuchi, Katsuji Aoki, Hiroaki Aono, Kosuke Kubota 1995-04-25
5241387 Noise-reducing filter apparatus for decoded digital video signal Wataru Fujikawa 1993-08-31
5144426 Motion compensated prediction interframe coding system Satoshi Matsuya, Wataru Fujikawa, Hiroyuki Uwabo, Ikuo Inoue, Atsushi Nagata 1992-09-01
5126841 Motion compensated prediction interframe coding system Satoshi Matsuya, Ikuo Inoue, Atsushi Nagata 1992-06-30
4972260 Apparatus for coding a moving-picture signal Wataru Fujikawa, Satoshi Matsuya 1990-11-20
4470072 Method of band compression Kunio Sannomiya, Hiroaki Kotera, Kunio Yoshida, Yoshihiro Uno, Hiroaki Miwa 1984-09-04