HK

Hiroyuki Kawaji

KA Kao: 13 patents #135 of 3,221Top 5%
Ngk Spark Plug Co.: 2 patents #703 of 1,594Top 45%
Overall (All Time): #319,717 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10751923 Spark plug insulator production method, insulator, molding die Hirokazu Kurono, Hironori Uegaki, Toshitaka Honda, Hiroyuki Hazama, Kuniharu Tanaka 2020-08-25
7876030 Ultrasonic transducer which is either crimped or welded during assembly Hideaki Taki, Wataru Kimura, Noritaka Yoshida, Naohito Sato, Mitsugu Onoda 2011-01-25
7579129 Process for preparing toner for electrophotography Nobumichi Kamiyoshi, Koji Shimokusa 2009-08-25
7235337 Toner for electrostatic image development Koji Kameyama, Nobumichi Kamiyoshi, Kouhei Katayama, Masahito Yamazaki 2007-06-26
7041422 Resin binder for toner Eiji Shirai 2006-05-09
6919156 Toner Koji Kameyama, Masahito Yamazaki, Koji Akiyama 2005-07-19
6835518 Toner for electrostatic image development Hidenori Tachi, Yasuyuki Tamane, Koji Akiyama 2004-12-28
6780557 Toner Tetsuya Ueno, Yasunori Inagaki 2004-08-24
6509129 Toner for electrophotography Akihiro Eida 2003-01-21
6288166 Binder resin for toner and positively chargeable toner containing the same Shin-ichi Sata, Yasuhiro Hidaka, Katsutoshi Aoki, Masayuki Maruta 2001-09-11
5945246 Process for producing a toner for electrophotography Eizi Morimoto, Ken-ichi Suenaga, Tetsuhiro Semura, Katsutoshi Aoki, Kuniyasu Kawabe 1999-08-31
5908727 Binder and toner for developing electrostatic image containing the same Shinichi Sata, Yasuhiro Hidaka 1999-06-01
5763130 Encapsulated toner for heat-and-pressure fixing and method for production thereof Mitsuhiro Sasaki, Tetsuya Asano, Kuniyasu Kawabe, Kazuhiro Fujiki 1998-06-09
5529876 Encapsulated toner for heat - and pressure - fixing and method for production thereof Mitsuhiro Sasaki, Tetsuya Asano, Kuniyasu Kawabe, Kazuhiro Fujiki 1996-06-25
5483016 Method for producing binder resin and toner for electrophotography using the binder resin Katsutoshi Aoki, Eizi Morimoto, Ken-ichi Suenaga, Tetsuhiro Semura, Kuniyasu Kawabe 1996-01-09