KK

Keiji Kataoka

HI Hitachi: 28 patents #1,022 of 28,497Top 4%
HC Hitachi Koki Co.: 19 patents #40 of 888Top 5%
FC Fine Machine Kataoka Co.: 5 patents #1 of 1Top 100%
RS Ricoh Printing Systems: 5 patents #20 of 200Top 10%
HS Hitachi Printing Solutions: 2 patents #23 of 99Top 25%
Overall (All Time): #51,109 of 4,157,543Top 2%
52
Patents All Time

Issued Patents All Time

Showing 1–25 of 52 patents

Patent #TitleCo-InventorsDate
9623447 Washing apparatus comprising a capsule-shaped washing chamber 2017-04-18
7806987 Washing device and its work conveying method 2010-10-05
7628867 Washing device and its work conveying method 2009-12-08
7542642 Multi-beam generating device and optical recording device using the same Susumu Monma, Yasuyuki Shibayama 2009-06-02
7477813 Multi-beam light source, method for manufacturing the same, light scanning unit using the same, and image forming apparatus using the same Susumu Monma, Takeshi Mochizuki 2009-01-13
7347629 Semiconductor laser module for optical scanner Yasuyuki Shibayama, Susumu Monma 2008-03-25
7327664 Optical recording apparatus Koji Doi, Yasuyuki Shibayama, Susumu Monma, Jyun Ogino, Masaru Hoshina 2008-02-05
7290551 Washing device and its work conveying method 2007-11-06
7287918 Semiconductor laser module Junichi Matsuno, Yasuyuki Shibayama, Susumu Monma, Koji Doi 2007-10-30
7287535 Work washing apparatus 2007-10-30
6753991 Optical recording apparatus Yasuyuki Shibayama 2004-06-22
6647189 Image forming apparatus having an optical fiber array Michio Yokosuka 2003-11-11
6621511 Optical recording apparatus including light-transmitting diffraction grating and multi-channel acousto-optic modulator Yasuyuki Shibayama 2003-09-16
5995130 Laser beam scanning apparatus and method providing controllable print density Kazuhiro Akatsu, Susumu Saito, Shuho Yokokawa, Koji Doi, Masahiro Mizuno 1999-11-30
5959943 Information recording medium with clock information therein Seiji Yonezawa, Norio Ohta, Toshio Niihara, Masahiko Takahashi, Harukazu Miyamoto +2 more 1999-09-28
5886958 Information recording apparatus and method for modulated magneto-optical recording medium Seiji Yonezawa, Norio Ohta, Toshio Niihara, Masahiko Takahashi, Harukazu Miyamoto +2 more 1999-03-23
5818496 Exposure device of electrophotographic apparatus with optical path position deciding device Youji Hirose, Yasuyuki Tsuji, Shuuho Yokokawa, Kunitomo Takahashi, Isao Nakajima +7 more 1998-10-06
5737133 Module for optical fiber receptacle used in a scanning device Masazumi Ouchi, Yasuyuki Shibayama 1998-04-07
5726955 Magneto optical recording medium apparatus and method utilizing light pulse magnetic modulation recording Seiji Yonezawa, Norio Ohta, Toshio Niihara, Masahiko Takahashi, Harukazu Miyamoto +2 more 1998-03-10
5719832 Optical recording apparatus using optical fibers for guiding laser beams Masazumi Ouchi, Yasuyuki Shibayama 1998-02-17
5631762 Multi-beam generating element and optical printing apparatus therewith 1997-05-20
5579292 Magneto-optical data recording apparatus using a sample-servo system for applying heating pulses to record data Seiji Yonezawa, Norio Ohta, Toshio Niihara, Masahiko Takahashi, Harukazu Miyamoto +2 more 1996-11-26
5578819 Optical recorder having a signal separation circuit and a FIFO memory circuit Susumu Saito, Shuuho Yokokawa, Satoshi Aita, Muneyoshi Akai, Shigeo Nemoto +4 more 1996-11-26
5574597 Light scanner and multi-beam generator using the same 1996-11-12
5473581 Magneto-optical data recording system continuously irradiating optical pulsers Seiji Yonezawa, Norio Ohta, Toshio Niihara, Masahiko Takahashi, Harukazu Miyamoto +2 more 1995-12-05