RH

Ritsuo Hashimoto

MM Mitsubishi Mining: 6 patents #101 of 2,247Top 5%
KS Kawasaki Steel: 2 patents #570 of 1,922Top 30%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
MM Mitsubishi-Hitachi Metals Machinery: 1 patents #15 of 45Top 35%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
OE Omron Tateisi Electronics: 1 patents #264 of 599Top 45%
Overall (All Time): #585,643 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7147033 Dual drum type continuous casting device and method for continuous casting Keiichi Yamamoto, Mitsuo Tani, Kazutoshi Yokoo, Jyoji Yusa, Kunimasa Sasaki +9 more 2006-12-12
6956187 Steel plate splicing facility utilizing shear joining Tsutomu Kawamizu, Etsurou Hirai, Shoichi Hashimoto, Kanji Hayashi 2005-10-18
5897683 Method and apparatus for holding molten metal Kenichi Unoki, Noriyuki Kawata, Yasuo Hukada, Chiaki Kato, Toshitane Matsukawa 1999-04-27
5758530 Hot rolling mill Masashi Yoshikawa, Keiji Mizuta, Kazuo Morimoto, Hironori Fujioka, Jyun Sakamoto +4 more 1998-06-02
5681527 Molten metal holding apparatus Tatsufumi Aoi, Noriyuki Kawada, Kenichi Unoki, Motomi Nakashima, Kazumasa Mihara 1997-10-28
5611394 Roll charged with heat transfer medium Keiji Mizuta, Yasuyoshi Takeoka, Akira Kishida, Harumasa Muramoto 1997-03-18
5560421 Twin drum type continuous casting apparatus and method Kisaburo Tanaka, Keiichi Yamamoto, Hideaki Takatani, Takashi Yamane, Takahiro Matsumoto +1 more 1996-10-01
4705654 Method of humidifying a gas Kensuke Niwa, Hisayoshi Fujita, Yoshihiko Saito, Hiroshi Makihara, Younosuke Hoshi +1 more 1987-11-10
4639889 System for controlling communication between a main control assembly and programmable terminal units Hiromichi Matsumoto 1987-01-27