TN

Toru Numata

HI Hitachi: 15 patents #2,636 of 28,497Top 10%
Overall (All Time): #326,466 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7341354 Display device and display optical system unit Mikio Shiraishi, Yasuo Ohtsuka, Kenji Fuse 2008-03-11
7128422 Display device and display optical system unit Mikio Shiraishi, Yasuo Ohtsuka, Kenji Fuse 2006-10-31
6935750 Display device and display optical system unit Mikio Shiraishi, Yasuo Ohtsuka, Kenji Fuse 2005-08-30
6908198 Image display mechanism and image display device Mikio Shiraishi, Yasuo Otsuka 2005-06-21
6895393 Electronic book distributing system by use of purchase certificate and devices therefor Tadashi Kuwabara, Hiroshi Shimizu, Misuzu Mochizuki, Yukinobu Tada, Naoki Yamamoto +6 more 2005-05-17
6829031 Liquid crystal display apparatus and optical device for use therein Yasuo Otsuka, Mikio Shiraishi, Koji Hirata, Naoyuki Ogura, Shigeru Inaoka +3 more 2004-12-07
6817720 Image display mechanism and image display device Mikio Shiraishi, Yasuo Otsuka 2004-11-16
6779894 Display device and display optical system unit Mikio Shiraishi, Yasuo Ohtsuka, Kenji Fuse 2004-08-24
6682197 Image display mechanism and image display device Mikio Shiraishi, Yasuo Otsuka 2004-01-27
6588910 Image display mechanism and image display device Mikio Shiraishi, Yasuo Otsuka 2003-07-08
6582083 Display device and display optical system unit Mikio Shiraishi, Yasuo Ohtsuka, Kenji Fuse 2003-06-24
6535267 Liquid crystal display apparatus having liquid crystal display element immersed in cooling medium Yasuo Otsuka, Mikio Shiraishi, Koji Hirata, Naoyuki Ogura, Shigeru Inaoka +3 more 2003-03-18
6394608 Display device and display optical system unit Mikio Shiraishi, Yasuo Ohtsuka, Kenji Fuse 2002-05-28
6256083 Liquid crystal display apparatus and optical device for use therein Yasuo Otsuka, Mikio Shiraishi, Koji Hirata, Naoyuki Ogura, Shigeru Inaoka +3 more 2001-07-03
6231191 Image display mechanism and image display device Mikio Shiraishi, Yasuo Otsuka 2001-05-15