KT

Kazuyoshi Tokunaga

HC Hitachi Koki Co.: 8 patents #145 of 888Top 20%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
RS Ricoh Printing Systems: 2 patents #64 of 200Top 35%
HC Hitachi Koko Co.: 1 patents #1 of 33Top 4%
📍 Ibaraki, JP: #755 of 6,779 inventorsTop 15%
Overall (All Time): #387,778 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
7433075 Method and image forming apparatus, and printing system for recording invisible information recording Kazuyuki Mitome, Seiji Kageyama 2008-10-07
7209256 Document processing method Seiji Kageyama, Katsumi Kumagai, Tatsuro Akabane, Kazuyuki Mitome, Tomoko Kitaura +1 more 2007-04-24
6679821 Centrifugal separator and administration of user and actual operation of the same Satoshi Numata, Noriyasu Matsufuji, Hisanobu Oyama, Mitsutoshi Yotsuyanagi, Kahoru Takahashi 2004-01-20
6567180 Document printing method Seiji Kageyama, Katsumi Kumagai, Tatsuro Akabane, Kazuyuki Mitome, Tomoko Kitaura +1 more 2003-05-20
5841548 Printing apparatus for reproducing copy sets containing variable pages and a sorting means for separating the different copy sets Kazuyuki Mitome 1998-11-24
5762598 Simulation program for centrifugation using a fixed-angle rotor Peter H. Spragg, David Rickwood, Steven Humphries, Mitsutoshi Yotsuyanagi 1998-06-09
5675519 Apparatus and method for controlling centrifugal separator and centrifugation simulation method and centrifugal separator Mitsutoshi Yotsuyanagi, Masataka Morita 1997-10-07
5342280 System for management of body rotation of centrifuge Yoshitaka Niinai, Akio Nagata, Norihisa Sagawa, Shigeru Shinohara, Eiji Nakayama +2 more 1994-08-30
4672398 Ink droplet expelling apparatus Tadashi Kuwabara, Yasumasa Matsuda, Masatoshi Kasahara, Kyoji Mukumoto 1987-06-09
4427755 Method for transferring toner images in electrophotography Masayasu Anzai 1984-01-24
4416533 Nonimpact printer Masayasu Anzai 1983-11-22
4374191 Dry reversal developer for electrostatic photography and electrostatic photographic method using the same Akio Mukoh, Hirosada Morishita, Masayasu Anzai, Yasuo Kikuchi 1983-02-15
4314257 Thermomagnetic recording apparatus Masayasu Anzai, Nobuyoshi Hoshi, Kiyohiko Tanno 1982-02-02