MI

Masahiko Itaya

KC Konishiroku Photo Industry Co.: 19 patents #14 of 894Top 2%
KO Konica: 13 patents #144 of 1,958Top 8%
Ricoh Company: 12 patents #1,888 of 9,818Top 20%
NS Nippon Steel: 3 patents #914 of 4,423Top 25%
RP Research Laboratories Of Australia Pty: 3 patents #2 of 17Top 15%
Samsung: 3 patents #30,683 of 75,807Top 45%
Overall (All Time): #47,853 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 26–50 of 54 patents

Patent #TitleCo-InventorsDate
5140411 Image reading apparatus capable of discriminating between a chromatic and an achromatic portion of an image Satoshi Haneda, Masakazu Fukuchi, Seiko Naganuma, Shunji Matsuo, Shizuo Morita 1992-08-18
5121166 Belt type transfer device Takayuki Miyamoto, Hisahiro Saito 1992-06-09
5103261 Clamshell type color image forming apparatus Shunji Matsuo, Shizuo Morita, Satoshi Heneda, Masakazu Fukuchi, Seiko Nagamuma 1992-04-07
5075726 Toner density control device with adjustable reference values for multiple developer copier Atsushi Saito 1991-12-24
5054419 Image forming apparatus Yukio Okamoto, Kazuo Yasuda, Masayuki Kamegamori, Kunihisa Yoshino, Shizuo Morita +5 more 1991-10-08
5030988 Color image forming apparatus Satoshi Haneda, Masakazu Fukuchi, Seiko Naganuma, Shunji Matsuo, Shizuo Morita 1991-07-09
5024181 Method for the development of an electrostatic latent image Hisashi Shoji, Akihiko Tamura, Hiroshi Fuma, Shinobu Soma 1991-06-18
4979000 Paper separating charger capable of discharging currents of various duty factors and frequencies Jun Hamada, Mitsuo Motohashi 1990-12-18
4908291 Method of regulating the thickness of a developer layer containing magnetic carrier and toner particles Hiroshi Fuma, Akihiko Tamura, Hisashi Shoji, Shinobu Soma 1990-03-13
4843425 Image forming method and apparatus Tetsuya Niitsuma, Syuzi Okamoto 1989-06-27
4822711 Electrostatic image-developing process using a magnetic roller Hiroshi Fuma, Toshiro Fujimori 1989-04-18
4814818 Developer layer forming apparatus Hiroshi Fuma, Toshiro Fujimori 1989-03-21
4669864 Image forming apparatus Hisashi Shoji, Satoshi Haneda, Seiichiro Hiratsuka, Hiroshi Fuma, Shinobu Soma +2 more 1987-06-02
4664505 Electrostatic image reproducing apparatus Satoshi Haneda 1987-05-12
4624559 Developing method for electrostatic latent image Satoshi Haneda, Makoto Tomono 1986-11-25
4553500 Apparatus and method for developing electrostatic latent image Satoshi Haneda, Makoto Tomono 1985-11-19
4530595 Toner cleaning method and apparatus in which voltage is impressed between electrostatic image holder and a film member Satoshi Haneda, Noriyoshi Tarumi, Makoto Tomono 1985-07-23
4530597 Brush cleaning device Satoshi Haneda 1985-07-23
4525056 Developing means for electrostatic latent image Satoshi Haneda, Makoto Tomono 1985-06-25
4500616 Extraction developing method for electrostatic latent images Satoshi Haneda, Minoru Tanaka 1985-02-19
4499169 Developing method Satoshi Haneda, Makoto Tomono 1985-02-12
4492456 Device for developing electrostatic latent images Satoshi Haneda, Minoru Tanaka 1985-01-08
4491083 Means for developing an electrostatic latent image Satoshi Haneda, Makoto Tomono 1985-01-01
4486089 Magnetic brush developing means Satoshi Haneda, Yukio Okamoto 1984-12-04
4480911 Developing apparatus and a developing method of an electrostatic image Satoshi Haneda, Makoto Tomono 1984-11-06