HH

Hiroshi Hagiwara

Canon: 28 patents #2,044 of 19,416Top 15%
FI Fujifilm Business Innovation: 18 patents #434 of 5,238Top 9%
NS Nippon Steel: 6 patents #412 of 4,423Top 10%
OC Onoda Cement Co.: 4 patents #8 of 155Top 6%
KK Kureha Kagaku Kogyo: 4 patents #147 of 607Top 25%
MI Mitsuba: 3 patents #118 of 618Top 20%
SI Sintobrator: 3 patents #3 of 26Top 15%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
NM Nippon Steel & Sumitomo Metal: 2 patents #488 of 1,491Top 35%
MC Mitsuba Electric Manufacturing Co.: 2 patents #43 of 176Top 25%
NE Nec: 2 patents #5,510 of 14,502Top 40%
The Yokohama Rubber Co.: 2 patents #475 of 1,136Top 45%
TC Tocalo Co.: 2 patents #20 of 105Top 20%
AC Atsumi Electric Co.: 1 patents #2 of 4Top 50%
LK Lenovo Innovations Limited (Hong Kong): 1 patents #28 of 133Top 25%
Overall (All Time): #23,026 of 4,157,543Top 1%
79
Patents All Time

Issued Patents All Time

Showing 51–75 of 79 patents

Patent #TitleCo-InventorsDate
8137484 Method of production of steel superior in machinability Masayuki Hashimura, Atsushi Mizuno, Kenichiro Naito, Kohichi Isobe, Hiroshi Hirata 2012-03-20
7789974 High-strength spring steel wire Masayuki Hashimura, Takanari Miyaki 2010-09-07
7619785 Image reading apparatus and reference member foreign matter detecting method Minoru Sodeura, Satoshi Mizuhashi, Yasuhisa Mizuta, Yoshitake Matsubara, Sadao Furuoya +2 more 2009-11-17
7575646 Heat-treated steel wire for high strength spring Masayuki Hashimura, Takanari Miyaki, Hiroaki Hayashi, Shouich Suzuki, Katsuaki Shiiki +2 more 2009-08-18
7488396 Superior in machinability and method of production of same Masayuki Hashimura, Atsushi Mizuno, Kenichiro Naito, Kohichi Isobe, Hiroshi Hirata 2009-02-10
6406565 High toughness spring steel Masayuki Hashimura, Takanari Miyaki, Toshio Banno 2002-06-18
6338763 Steel wire for high-strength springs and method of producing the same Masayuki Hashimura, Takanari Miyaki, Hiroaki Hayashi, Shoichi Suzuki, Ikuo Ochiai 2002-01-15
6252176 Printed wiring board, and manufacture thereof Munehiro Kuramochi, Kouichi Maeyama 2001-06-26
6182350 Electric motor for driving a piston pump and method of assembly Masato Iwata 2001-02-06
6150658 Passive infrared detector 2000-11-21
6143990 Printed wiring board with two ground planes connected by resistor Munehiro Kuramochi, Shotaro Yoshimura 2000-11-07
5889345 Waterproof electric motor structure Masato Iwata, Eiichi Machida 1999-03-30
5854522 Electric motor for driving a piston pump and method of assembly Masato Iwata 1998-12-29
5516054 Armature coil winding method Eiichi Machida, Masato Iwata 1996-05-14
5283286 Impact-resistant thermoplastic resin composition containing a grafted butadiene rubber Yosuke Takahashi, Yasumasa Komatsu, Takayuki Katto 1994-02-01
5266070 Relaxation refreshment apparatus Kazunori Araki, Akihiro Michimori 1993-11-30
5191018 Impact-resistant graft copolymer and thermoplastic resin composition containing same Toshio Hosokawa, Katsumi Suzuki 1993-03-02
5101831 System for discriminating sleep state Emi Koyama, Akihiro Michimori 1992-04-07
5082741 Thermal spray material and thermal sprayed member using the same Hatsuo Taira, Masakazu Ikeda, Yoshio Harada 1992-01-21
5032557 Thermal spray material and and thermal sprayed member using the same Hatsuo Taira, Masakazu Ikeda, Yoshio Harada 1991-07-16
5024650 Stress dissolving refreshment system Kazunori Araki, Akihiro Michimori 1991-06-18
5010692 Polishing device Takao Ishida, Ichizo Kakumu 1991-04-30
4855609 Starter for internal combustion engine Hitoshi Eguchi, Motoaki Kuribara, Tugio Onodera, Koji Kobayashi, Ikuo Fujino +1 more 1989-08-08
4839992 Polishing device Takeo Ishida, Ichizo Kakumu 1989-06-20
4837979 Polishing device Takao Ishida, Ichizo Kakumu 1989-06-13