HH

Hiroshi Hanzawa

RK Riso Kagaku: 6 patents #86 of 551Top 20%
AC Alps Alpine Co.: 2 patents #150 of 525Top 30%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
📍 Rifu, JP: #332 of 2,101 inventorsTop 20%
Overall (All Time): #499,029 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
11325546 Rotary connector Makoto Hirohashi, Toshiaki Asakura, Hiroyuki Sato, Toshiyuki Hoshi, Satoshi Terashita 2022-05-10
10289149 Input operating apparatus Ken Kosaka, Tomonori Miura 2019-05-14
6632034 Printing machine for booklet-like medium Hiroyuki Ikeda, Susumu Oshio, Hiroyuki Sunagawa, Hideo Watanabe 2003-10-14
6208438 Reflection type image reader having an original positioning sheet Hitoshi Watanabe 2001-03-27
5608496 Print image position indication device Yoshikazu Hara, Masakazu Miyata 1997-03-04
5507225 Stencil printer equipped with print image transverse position adjustment means Yoshihiro Noguchi, Yoshikazu Hara, Masakazu Miyata 1996-04-16
5506661 Image forming apparatus 1996-04-09
5483878 Mimeographic printing machine 1996-01-16
5419243 Rotary stencil printer equipped with pinch roller position control means Yoshikazu Hara, Masakazu Miyata, Koji Nakayama 1995-05-30
5321273 Document size sensing having a spectroscope Toru Kamiyama 1994-06-14