Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HI

Hiromitsu Ishii

Casio Computer Co.: 33 patents #21 of 1,970Top 2%
HOHochiki: 9 patents #10 of 161Top 7%
TIToray Industries: 6 patents #426 of 3,690Top 15%
SESeiko Epson: 2 patents #4,555 of 7,774Top 60%
KCKochi Industrial Promotion Center: 2 patents #8 of 14Top 60%
RGRakuten Group: 2 patents #119 of 553Top 25%
TCToppan Printing Co.: 1 patents #691 of 1,467Top 50%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #49,447 of 4,157,543Top 2%
53 Patents All Time

Issued Patents All Time

Showing 26–50 of 53 patents

Patent #TitleCo-InventorsDate
7385224 Thin film transistor having an etching protection film and manufacturing method thereof Hitoshi Hokari, Motohiko Yoshida, Ikuhiro Yamaguchi 2008-06-10
7361934 Liquid crystal display apparatus 2008-04-22
7135509 Flame-retardant polybutylene terephthalate resin composition and formed article Takashi Nagao, Jiro Kumaki 2006-11-14
6924859 Liquid crystal display apparatus serving both as transmission type and reflection type and method of manufacturing the same Shintaro Kuwayama 2005-08-02
6678017 Display panel and method of fabricating the same Shinichi Shimomaki, Makoto Miyagawa, Yayoi Nakamura 2004-01-13
6653216 Transparent electrode forming apparatus and method of fabricating active matrix substrate Shinichi Shimomaki, Makoto Miyagawa, Yayoi Nakamura, Toshiaki Higashi 2003-11-25
6377322 Liquid crystal display device having spontaneous polarization and no compensating capacitors Ikuhiro Yamaguchi 2002-04-23
6310683 Apparatus for reading fingerprint Minoru Fujiwara, Makoto Sasaki, Tetsuo Muto 2001-10-30
6069019 Method of manufacturing transistor array Hisao Tosaka 2000-05-30
5757028 Thin film transistor with reduced leakage current Kazuhiro Sasaki, Makoto Sasaki, Yoshitomo Wada 1998-05-26
5755229 Pulse wave analysis device Kazuhiko Amano, Kazuo Kodama 1998-05-26
5670938 Fire alarm device Shigeru Ohtani, Takashi Ono 1997-09-23
5623933 Pulse wave analysis device Kazuhiko Amano, Kazuo Kodama 1997-04-29
5436614 Thermal analog fire detector Yasuo Torikoshi 1995-07-25
5427962 Method of making a thin film transistor Makoto Sasaki, Kazuhiro Sasaki 1995-06-27
5367179 Thin-film transistor having electrodes made of aluminum, and an active matrix panel using same Hisatoshi Mori, Syunichi Sato, Naohiro Konya, Ichiro Ohno, Kunihiro Matsuda +1 more 1994-11-22
5352907 Thin-film transistor Kunihiro Matsuda, Naohiro Konya 1994-10-04
5310823 Polyacetal resin composition Masaki Kunitomi, Yoshiyuki Yamamoto 1994-05-10
5289275 Surveillance monitor system using image processing for monitoring fires and thefts Takashi Ono, Kiyoshi Watanabe 1994-02-22
5243202 Thin-film transistor and a liquid crystal matrix display device using thin-film transistors of this type Hisatoshi Mori, Syunichi Sato, Naohiro Konya, Ichiro Ohno, Kunihiro Matsuda 1993-09-07
5225497 Process for continuous production of elastic polyesters Shoji Yamamoto, Yoshiyuki Yamamoto 1993-07-06
5041200 Method of manufacturing crystalline thin-film of rare-earth compounds Tsuneharu Takeda, Kyuya Baba, Ikuhiro Yamaguchi 1991-08-20
4871999 Fire alarm system, sensor and method Takashi Ono 1989-10-03
4838698 Extinction type detector Takashi Ono 1989-06-13
4796205 Fire alarm system Yukio Yamauchi 1989-01-03