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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
TI

Tatsuki Inuzuka — 37 Patents

Hitachi: 24 patents #1,341 of 28,497Top 5%
HDHitachi Displays: 8 patents #124 of 752Top 20%
Panasonic: 4 patents #6,210 of 21,108Top 30%
JDJapan Display: 3 patents #648 of 1,204Top 55%
RTRenesas Technology: 1 patents #1,991 of 3,337Top 60%
HCHitachi Information Technology Co.: 1 patents #20 of 121Top 20%
RSRicoh Printing Systems: 1 patents #97 of 200Top 50%
Tokyo, JP: #3,258 of 90,295 inventorsTop 4%
Overall (All Time): #88,321 of 4,157,543Top 3%
37 Patents All Time
Tatsuki Inuzuka has been granted 37 US patents while listed as an inventor at Hitachi. The first was granted in 1987 and the most recent in October 2018. Tatsuki Inuzuka ranks #88,321 of 4,157,543 US inventors in our database (top 2.1%). Patent records list Tatsuki Inuzuka in Tokyo, JP.

Patents per Year

Patents granted per year, 1987 to 2018Bar chart with a peak of 4 patents in 2011.peak 41987: 1 patents19871988: 1 patents1992: 2 patents1993: 1 patents19931994: 1 patents1996: 1 patents1997: 1 patents19971998: 1 patents2001: 3 patents2002: 2 patents20022004: 3 patents2005: 1 patents2006: 3 patents20062008: 3 patents2009: 2 patents2010: 1 patents20102011: 4 patents2013: 1 patents2014: 2 patents20142015: 1 patents2017: 1 patents2018: 1 patents2018

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10090704 Display device and display method of electric power system information Takashi Matsubara, Yuichi Kurosawa, Kenta Tsukijishin, Hideyuki Kobayashi 2018-10-02
9537314 Power system voltage stabilizer and stabilization method Hideyuki Kobayashi 2017-01-03
9105216 Color signal generating device 2015-08-11
8723883 Display signal conversion apparatus 2014-05-13
8659609 Multi-color display device 2014-02-25
8477150 Display signal conversion apparatus 2013-07-02
8004545 Display apparatus with arrangement to decrease quantity of backlight and increase transmittance of the display panel Shinichi Komura, Yoshifumi Sekiguchi 2011-08-23 $94,000
7956875 Display device which reduces variation in chromaticity of red, blue, and green LEDs Hiroki Kaneko 2011-06-07 $121,000
7932681 LED lighting device and LCD device using the same Akitoyo Konno, Tsunenori Yamamoto 2011-04-26 $172,000
7889169 Image display device and image display method Tsunenori Yamamoto, Akitoyo Konno 2011-02-15 $114,000
7737930 Image signal display apparatus Tsunenori Yamamoto, Akitoyo Konno, Ikuo Hiyama 2010-06-15 $66,000
7595784 Liquid crystal display apparatus with control of LCD and backlight corresponding to an image Tsunenori Yamamoto, Daisuke Kajita, Ikuo Hiyama, Akitoyo Konno, Masatoshi Wakagi 2009-09-29 $112,000
7518319 LED lighting device and LCD device using the same Akitoyo Konno, Tsunenori Yamamoto 2009-04-14 $64,000
7460103 Liquid crystal display apparatus with luminance distribution calculating, backlight controller, and video correction to improve display contrast ratio Akitoyo Konno, Masaya Adachi, Daisuke Kajita, Tsunenori Yamamoto, Katsumi Kondo +2 more 2008-12-02 $97,000
7369284 Image signal processing method, image signal processing device, and image signal processing system Yasutaka Toyoda 2008-05-06
7333116 Data processor having unified memory architecture using register to optimize memory access Tetsuya Shimomura, Shigeru Matsuo, Koyo Katsura, Yasuhiro Nakatsuka 2008-02-19 $177,000
7084850 Image display system and image information transmission method Ikuo Hiyama, Tsunenori Yamamoto, Akitoyo Konno, Makoto Tsumura, Yoshiyuki Kaneko +2 more 2006-08-01 $108,000
7006113 Display apparatus with pixels arranged in matrix Tsunenori Yamamoto, Ikuo Hiyama, Shinichi Komura 2006-02-28 $139,000
6992676 Image display system Tsunenori Yamamoto, Ikuo Hiyama, Makoto Tsumura, Yasutaka Toyoda 2006-01-31 $149,000
6954206 Data processor having unified memory architecture using register to optimize memory access Tetsuya Shimomura, Shigeru Matsuo, Koyo Katsura, Yasuhiro Nakatsuka 2005-10-11 $104,000
6784891 Image display system Tsunenori Yamamoto, Ikuo Hiyama, Makoto Tsumura, Yasutaka Toyoda 2004-08-31 $174,000
6731400 Color image processing apparatus which performs different image processings depending on region of color image Toshiaki Nakamura, Manabu Joh 2004-05-04 $251,000
6717583 Data processor having unified memory architecture providing priority memory access Tetsuya Shimomura, Shigeru Matsuo, Koyo Katsura, Yasuhiro Nakatsuka 2004-04-06 $304,000
6437825 Image processing apparatus having plural image processors and apparatus which merges data to be input and output to the image processors Toshiaki Nakamura, Shinichi Shinoda, Yasuyuki Kojima 2002-08-20 $103,000
6404930 Signal processing equipment Toshiaki Nakamura, Kouzou Nakamura, Keisuke Nakashima 2002-06-11 $122,000