HK

Hirohito Kuriyama

Fujitsu Limited: 16 patents #1,836 of 24,456Top 8%
FL Fujitsu Hitachi Plasma Display Limited: 5 patents #41 of 166Top 25%
MA Maxell: 4 patents #158 of 437Top 40%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
HM Hitachi Maxell: 2 patents #441 of 1,211Top 40%
Overall (All Time): #127,835 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
12284437 Video recording device and camera function control program Kazuhiko YOSHIZAWA 2025-04-22
11696021 Video recording device and camera function control program Kazuhiko YOSHIZAWA 2023-07-04
11223757 Video recording device and camera function control program Kazuhiko YOSHIZAWA 2022-01-11
10511757 Video recording device and camera function control program Kazuhiko YOSHIZAWA 2019-12-17
9774776 Video recording device and camera function control program Kazuhiko YOSHIZAWA 2017-09-26
8947324 Display apparatus Ayahito Kojima, Shigeki Kameyama, Yoshikazu Kanazawa, Toshio Ueda 2015-02-03
8416155 Plasma display device and plasma display panel drive method Tetsuya Kaminaka, Takashi Shiizaki, Takashi Sasaki 2013-04-09
8242977 Plasma display apparatus with driving and controlling circuit unit 2012-08-14
8009123 Method for grayscale display processing for multi-grayscale display to reduce false contours in a plasma display device Katsuhiro Ishida, Akira Yamamoto, Ayahito Kojima, Shingo Kubo, Takashi Shiizaki 2011-08-30
7944407 Display apparatus Ayahito Kojima, Shigeki Kameyama, Yoshikazu Kanazawa, Toshio Ueda 2011-05-17
7466292 Plasma display apparatus Ayahito Kojima, Hiroyuki Wakayama, Akira Yamamoto 2008-12-16
7126617 Method of driving display apparatus and plasma display apparatus Akira Yamamoto, Ayahito Kojima, Kosaku Toda 2006-10-24
7053868 Plasma display apparatus Ayahito Kojima, Hiroyuki Wakayama, Akira Yamamoto 2006-05-30
6724356 Plasma display unit Ayahito Kojima, Hiroyuki Wakayama, Katsuhiro Ishida, Akira Yamamoto 2004-04-20
6535224 Display device Katsuhiro Ishida, Akira Yamamoto, Ayahito Kojima 2003-03-18
6326938 Power consumption control in display unit Katsuhiro Ishida, Masaya Tajima, Kiyoshi Takata 2001-12-04
6288714 Plasma display with improved reactivation characteristic, driving method for plasma display, wave generating circuit with reduced memory capacity, and planar matrix type display wave generating circuit Akira Yamamoto, Masaya Tajima, Toshio Ueda, Katsuhiro Ishida 2001-09-11
6278421 Method and apparatus for controlling power consumption of display unit, display system equipped with the same, and storage medium with program stored therein for implementing the same Katsuhiro Ishida, Hiroyuki Wakayama, Akira Yamamoto, Ayahito Kojima, Masaya Tajima +1 more 2001-08-21
6249265 Intraframe time-division multiplexing type display device and a method of displaying gray-scales in an intraframe time-division multiplexing type display device Masaya Tajima, Toshio Ueda, Katsuhiro Ishida, Naoki Matsui, Kyoji Kariya +1 more 2001-06-19
6222512 Intraframe time-division multiplexing type display device and a method of displaying gray-scales in an intraframe time-division multiplexing type display device Masaya Tajima, Toshio Ueda, Katsuhiro Ishida, Naoki Matsui, Kyoji Kariya +1 more 2001-04-24
6104362 Panel display in which the number of sustaining discharge pulses is adjusted according to the quantity of display data, and a driving method for the panel display Masaya Tajima, Toshio Ueda, Katsuhiro Ishida, Akira Yamamoto 2000-08-15
6100859 Panel display adjusting number of sustaining discharge pulses according to the quantity of display data Masaya Tajima, Toshio Ueda, Katsuhiro Ishida, Akira Yamamoto 2000-08-08
6072448 Plasma display device driven in a subframe mode Ayahito Kojima, Masaya Tajima, Katsuhiro Ishida, Akira Yamamoto 2000-06-06
6052105 Wave generation circuit for reading ROM data and generating wave signals and flat matrix display apparatus using the same circuit Akira Yamamoto, Masaya Tajima, Toshio Ueda, Katsuhiro Ishida, Yoshikazu Kanazawa 2000-04-18
6023258 Flat display Toshio Ueda, Keiichi Kaneko, Akira Yamamoto 2000-02-08