MT

Makoto Tachikawa

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
HS Hitachi Information & Control Systems: 2 patents #1 of 58Top 2%
Overall (All Time): #889,898 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5581759 Apparatus and method for controlling a system process Akihiro Ohhashi, Tadashi Okamoto, Takeshi Katoh, Noboru Azusawa, Junichi Hamano +1 more 1996-12-03
5355482 Apparatus and method for controlling a system process Akihiro Ohhashi, Tadashi Okamoto, Takeshi Katoh, Noboru Azusawa, Junichi Hamano +1 more 1994-10-11
5268776 System for partially erasing thermally written liquid crystal element Noboru Azusawa, Tadahiko Hashimoto, Kuniyuki Igari, Toru Ishikawa 1993-12-07
4964719 Control method of brightness of screen used for projection display and control apparatus of the same Osamu Suzuki, Tadahiko Hashimoto, Kuniyuki Igari, Ichirou Katsuyama 1990-10-23
4584528 Speed detecting method and apparatus Tsutomu Ohmae, Toshihiko Matsuda 1986-04-22
4468724 Method and apparatus for controlling load current Tsutomu Omae, Toshihiko Matsuda 1984-08-28