KH

Katsushi Hirokawa

RY Ryobi: 10 patents #19 of 309Top 7%
Overall (All Time): #518,258 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8220391 Printing method for printing press and printing press Takashi Kimura, Hideki Ikeda, Tsuyoshi Inui 2012-07-17
8205548 Method of winding up transfer film and device for performing transfer printing on printed sheets of paper Toshio Yamashita, Takahiko Nakamura 2012-06-26
7832443 Surface treatment apparatus for printed sheets Takahiko Nakamura, Hiroyoshi Kuwahara, Yoshifumi Mitsunari 2010-11-16
6026745 Device for clamping an edge of a plate for a printing machine Shigeo Fujiwara, Masao Nitta, Mikio Yamaoka 2000-02-22
D412525 Printing machine Yuichiro Tachibana, Nobuhiko Karafuji, Sigeo Fujiwara 1999-08-03
5927202 Clamping apparatus of a plate for a printing machine Hiroyuki Sarada 1999-07-27
D378831 Offset printing machine Nobuhiko Karafuji 1997-04-15
D351188 Offset printing machine Etsuo Hiraishi, Hideo Aoyama 1994-10-04
D350561 Offset printing machine Etsuo Hiraishi, Hideo Aoyama 1994-09-13
D332464 Offset printing machine Tetsuyuki Doi, Hideo Aoyama 1993-01-12