SY

Seiichi Yasumoto

HI Hitachi: 13 patents #3,142 of 28,497Top 15%
HE Hitachi Process Computer Engineering: 3 patents #16 of 101Top 20%
NT NTT: 1 patents #2,911 of 4,871Top 60%
📍 Ibaraki, JP: #755 of 6,779 inventorsTop 15%
Overall (All Time): #389,613 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
6417822 Display device and driving method thereof Takashi Sasaki, Kunio Ando, Masaji Ishigaki, Michitaka Ohsawa, Takeo Masuda +2 more 2002-07-09
6199404 Manufacturing method for gas discharge type display panel Michifumi Kawai, Ryohei Satoh, Masahito Ijuin, Tomohiko Murase, Takao Terabayashi +6 more 2001-03-13
5706422 Method of locating fault of communication system Hisayuki Maruyama, Jushi Ide, Sadao Mizokawa, Ken Onuki, Toshio Ishihara +2 more 1998-01-06
5497374 Data transmission method and system thereof Hisayuki Maruyama, Sadao Mizokawa, Ken Onuki, Hisao Ogawa, Junji Fukuzawa +4 more 1996-03-05
5426638 Transmission method and system thereof Hisayuki Maruyama, Sadao Mizokawa, Ken Onuki, Hisao Ogawa, Junji Fukuzawa +4 more 1995-06-20
4766590 Loop transmission system having plural stations connected in a variable order Takuji Hamada, Masahiro Takahashi, Kotaro Hirasawa, Jushi Ide, Hitoshi Fushimi 1988-08-23
4752773 Image display apparatus capable of selective and partial erasure of information Masao Togawa, Hiroshi Kotera, Shigeru Miyamoto, Kinshiroo Oonishi 1988-06-21
4704714 Method of detecting recovery from fault in a data transmission system which effects loopback control Hiroshi Tomizawa, Masakazu Okada, Sadao Mizokawa, Hitoshi Fushimi, Ken Onuki +2 more 1987-11-03
4530085 Reconfiguration control method for a loop-type data network Takuji Hamada, Masahiro Takahashi, Sadao Mizokawa, Hitoshi Fushimi 1985-07-16
4432054 Loop data transmission control method and system Masakazu Okada, Hitoshi Fushimi, Takuji Hamada 1984-02-14
4410985 Data transmission system and method Hitoshi Fushimi, Jushi Ide, Masakazu Okada 1983-10-18
4401365 Rotary type optical switch Sadao Mizokawa, Yoshiji Ito, Yasuo Hosoda, Hiroshi Kaita, Tadaaki Okada +4 more 1983-08-30
4398288 Loop type data highway system for data transmission Sadao Mizokawa, Masahiro Takahashi 1983-08-09