MS

Masakazu Sagawa

HI Hitachi: 42 patents #441 of 28,497Top 2%
HE Hitachi Vlsi Engineering: 11 patents #38 of 666Top 6%
HD Hitachi Displays: 3 patents #305 of 752Top 45%
HD Hitachi Power Semiconductor Device: 3 patents #10 of 79Top 15%
HI Hiatchi: 1 patents #1 of 84Top 2%
HC Hitachi Consumer Electronics Co.: 1 patents #206 of 447Top 50%
📍 Tokyo, WA: #22 of 89 inventorsTop 25%
Overall (All Time): #53,882 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 1–25 of 50 patents

Patent #TitleCo-InventorsDate
12339309 Energization inspection apparatus, method for manufacturing semiconductor device, and energization method Kumiko Konishi, Hiroshi Miki, Yuki Mori 2025-06-24
10529813 Semiconductor device, power module, and power conversion device Takashi Ishigaki 2020-01-07
10522638 Semiconductor chip and power module, and manufacturing method of the same Takahiro Morikawa, Motoyuki Miyata, Kan Yasui, Toshiaki Morita 2019-12-31
8803423 Fluorescent lamp and image display apparatus Shin Imamura, Toshiaki Kusunoki 2014-08-12
8098013 Plasma display panel and display device using the same Norihiro Uemura, Shunichiro Nobuki, Naoya Tokoo 2012-01-17
8085220 Plasma display apparatus Shunichiro Nobuki, Norihiro Uemura, Keizo Suzuki, Yoshiro Mikami, Hideto Momose +1 more 2011-12-27
7919911 Image display apparatus Mutsumi Suzuki, Toshiaki Kusunoki 2011-04-05
RE41828 Image display and a manufacturing method of the same Mutsumi Suzuki, Toshiaki Kusunoki 2010-10-19
7750548 Image display device Takuo Tamura, Hiroshi Kikuchi 2010-07-06
7442961 Image display device Toshiaki Kusunoki, Kazutaka Tsuji, Mutsumi Suzuki 2008-10-28
7417379 Cold cathode type flat panel display Toshiaki Kusunoki, Mutsumi Suzuki, Nobuaki Kabuto 2008-08-26
7385355 Display device having a thin film electron source array Toshiaki Kusunoki, Mutsumi Suzuki 2008-06-10
7355336 Image display device Toshimitsu Watanabe, Yoshiro Mikami, Toshiaki Kusunoki, Mutsumi Suzuki 2008-04-08
7310076 Display apparatus Mutsumi Suzuki, Toshiaki Kusunoki 2007-12-18
7298080 Display device Yoshie Kodera, Toshiaki Kusunoki, Tetsu Ohishi, Yuichi Sawai 2007-11-20
7291966 Display device Yoshiyuki Kaneko, Toshiaki Kusunoki, Tomoki Nakamura 2007-11-06
7218058 Cold cathode type flat panel display Toshiaki Kusunoki, Mutsumi Suzuki, Nobuaki Kabuto 2007-05-15
7129641 Display device having a thin film electron source array Toshiaki Kusunoki, Mutsumi Suzuki 2006-10-31
7116291 Image display and method of driving image display Mutsumi Suzuki, Toshiaki Kusunoki, Makoto Okai, Akitoshi Ishizaka 2006-10-03
7095169 Flat panel display device Tetsu Ohishi, Yoshie Kodera, Motoyuki Miyata, Akinori Maeda 2006-08-22
6975075 Field emission display Mutsumi Suzuki, Toshiaki Kusunoki 2005-12-13
6963171 Cold cathode type flat panel display Toshiaki Kusunoki, Mutsumi Suzuki, Nobuaki Kabuto 2005-11-08
6894334 Semiconductor integrated circuit device, process for fabricating the same, and apparatus for fabricating the same Jun Sugiura, Osamu Tsuchiya, Makoto Ogasawara, Fumio Ootsuka, Kazuyoshi Torii +22 more 2005-05-17
6873309 Display apparatus using luminance modulation elements Mutsumi Suzuki, Toshiaki Kusunoki 2005-03-29
6873115 Field emission display Mutsumi Suzuki, Toshiaki Kusunoki 2005-03-29