HO

Hiroshi Obara

Ricoh Company: 7 patents #2,977 of 9,818Top 35%
KK Kureha Kagaku Kogyo: 6 patents #103 of 607Top 20%
OB Obara: 3 patents #8 of 35Top 25%
JT Japan Tobacco: 2 patents #330 of 1,187Top 30%
HM Hitachi Maxell: 2 patents #441 of 1,211Top 40%
TC Tohoku Electric Power Company: 1 patents #65 of 246Top 30%
KL Kett Electric Laboratory: 1 patents #4 of 19Top 25%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #225,468 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
7552998 Method and apparatus for image forming capable of increasing maintenance efficiency Masahiro Yonekawa, Ryota Yano 2009-06-30
D510090 Bar code reader Tomohiko Beppu, Hitoshi Hattori, Toshiyuki Furuta 2005-09-27
D478618 Printer for a computer 2003-08-19
D447766 Portable printer Shu Satake 2001-09-11
6276366 Rod-shaped test-piece testing apparatus Seiji Fuchigami, Hiroshi Sasaki, Kazuhito Araki, Takayuki Kawai 2001-08-21
6057936 Image forming apparatus having internal space for sheet ejection and retention Masahiro Yonekawa 2000-05-02
5873982 Method and apparatus of discriminating coal species Junichi Yoshimura, Mitsuyuki Takahashi, Osamu Hatakeyama, Satoshi Sugawara, Fumio Kutsukake +5 more 1999-02-23
5756130 Stamper for producing recording medium Nobuhiro Umebayashi, Hiroshi Ishihama, Yoshitaka Kojima, Shoichi Nakashima, Shizuka Yamaguchi 1998-05-26
5216566 Floppy disk unit with liner of fibers containing inorganic oxide powder Shoichi Sakamoto, Hiroshi Ishihama 1993-06-01
5091623 Welding gun provided with a backup cylinder Toshihiro Nishiwaki 1992-02-25
D323521 Camera 1992-01-28
D313809 Camera 1991-01-15
4673793 Connecting metal fittings for resistance welder 1987-06-16
4577090 Primary cable apparatus for robot welding gun 1986-03-18
4543293 Polarized, shaped material of copolymer of vinylidene fluoride Ken'ichi Nakamura, Teruo Sakagami, Yoshikichi Teramoto 1985-09-24
4467202 Photoelectric detector Kenichi Nakamura 1984-08-21
4412147 Ultrasonic holography imaging device having a macromolecular piezoelectric element transducer Masato Nagura, Kazushige Kikuchi, Yasushi Endo 1983-10-25
4406967 Ultrasonic probe Naohiro Murayama 1983-09-27
4258259 Infrared detector Tetuaki Kon 1981-03-24
4258260 Pyroelectric infrared detector Tetuaki Kon, Naohiro Murayama 1981-03-24