HA

Hiroyuki Akata

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
HD Hitachi Displays: 2 patents #384 of 752Top 55%
HC Hitachi-Johnson Controls Air Conditioning: 1 patents #77 of 179Top 45%
Overall (All Time): #634,032 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10662934 Electric compressor, and refrigeration air-conditioning apparatus Ryou OOTA, Yasutaka Yoshida, Koji Naito, Hideyuki Ueda 2020-05-26
10155916 Lubricant for gas insulated switchgear, and gas insulated switchgear Takayuki Nakakawaji, Tomohiro Moriyama, Kazuhiro Satou, Makoto Hirose 2018-12-18
8022000 Display device and production method thereof Yuichi Sawai, Osamu Shiono, Takashi Namekawa, Takashi Naito, Keiichi Kanazawa +4 more 2011-09-20
7755269 Spacer and image display panel using the same Yuichi Sawai, Osamu Shiono, Takashi Namekawa, Nobuhiko Hosotani, Hiroshi Ito +6 more 2010-07-13
7198390 Reflector, projective display and projector Motoyuki Miyata, Masahiko Yatsu, Masaharu Deguchi, Katsuyuki Watanabe, Takashi Naitou +1 more 2007-04-03
6900927 Non-linear optical thin film, non-linear optical device using the same, and optical switch using the same Mitsutoshi Honda, Yuichi Sawai, Hideto Momose, Takashi Naito 2005-05-31
6870983 Optical switch, element therefor, and optical switching method Hideto Momose, Yuuichi Sawai, Mitsutoshi Honda, Takashi Naitou, Tsukasa Ookawa 2005-03-22
6804043 Non-linear optical thin film, non-linear optical device using the same, and optical switch using the same Mitsutoshi Honda, Yuichi Sawai, Hideto Momose, Takashi Naito 2004-10-12