KT

Keiichi Tokuyama

HI Hitachi: 11 patents #3,813 of 28,497Top 15%
📍 Hitachinaka, JP: #460 of 2,447 inventorsTop 20%
Overall (All Time): #474,928 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
5031479 Automatic gear change control apparatus for automobile and method of controlling same Masahiko Ibamoto, Hiroyuki Ohiwa, Hiroshi Kimura, Mitsuhiro Masuda 1991-07-16
4752771 Electronic instrument panel Kouzou Katogi, Osamu Igarashi, Hirohisa Yamamura, Seiji Suda 1988-06-21
4736198 Multi-color liquid crystal display system Seiji Suda, Osamu Igarashi, Hirohisa Yamamura, Kouzo Katogi, Hiroshi Ito +2 more 1988-04-05
4708440 Liquid crystal display device Masaru Kugo, Hideyuki Ouchi, Kouzou Katogi, Osamu Igarashi, Seiji Suda +1 more 1987-11-24
4700303 Height adjusting apparatus for motor vehicle Mitsuhiro Masuda, Osamu Igarashi, Taiji Hasegawa 1987-10-13
4649381 Liquid crystal panel display device Mitsuhiro Masuda, Osamu Igarashi, Kozo Katogi 1987-03-10
4635034 Display apparatus for vehicle Shotaro Naito, Mitsuhiro Masuda 1987-01-06
4630840 Vehicle height adjusting device Mitsuhiro Masuda, Osamu Igarashi 1986-12-23
4564905 Trip computer for vehicles Mitsuhiro Masuda, Shotaro Naito, Shizuhisa Watanabe 1986-01-14
4553196 Power source system for vehicular electronic device Shotaro Naito, Shizuhisa Watanabe 1985-11-12
4398260 Skid control method Junichi Takahashi, Takanori Shibata, Shotaro Naito 1983-08-09