RH

Ryuji Hamada

SM Suzuki Motor: 6 patents #65 of 1,209Top 6%
SC Shin-Etsu Chemical Co.: 5 patents #647 of 2,176Top 30%
PA Panasonic: 4 patents #6,180 of 21,108Top 30%
SI Sumitomo Metal Industries: 2 patents #334 of 1,462Top 25%
SC Suzuki Co.: 1 patents #65 of 179Top 40%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
UL Ulvac: 1 patents #339 of 680Top 50%
Overall (All Time): #221,816 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
10625321 Cooling apparatus and cooling method for steel material Yoshihiro Serizawa, Akihiro Sakamoto, Masahito Tasaka, Naoaki Shimada, Hideki Matsuda +1 more 2020-04-21
10059416 Engine for outboard motor Nobuyuki Shomura, Toshio Hayashi, Tomohiko Miyaki 2018-08-28
9982594 Engine for outboard motor Nobuyuki Shomura, Tomohiko Miyaki, Toshio Hayashi 2018-05-29
9938879 Outboard motor Nobuyuki Shomura 2018-04-10
9909479 Engine for outboard motor Nobuyuki Shomura, Tomohiko Miyaki, Toshio Hayashi 2018-03-06
9816423 Engine for outboard motor Nobuyuki Shomura, Tomohiko Miyaki, Toshio Hayashi 2017-11-14
9780514 Component mounting method Yoshihiro Mimura, Akira Kameda 2017-10-03
9664100 Outboard motor Nobuyuki Shomura 2017-05-30
8405715 Inspection apparatus and inspection method Akira Kameda 2013-03-26
8224063 Inspection apparatus and inspection method Akira Kameda, Atsushi Katayama 2012-07-17
8221551 Apparatus for producing a reflector Masayuki Iljima, Yosuke Kobayashi, Kouji Hirayama, Yusuke Hashimoto, Ken Momono +1 more 2012-07-17
8074351 Part mounting device and part mounting method Akira Kameda, Shingo Yamada 2011-12-13
7438768 Rare earth element sintered magnet and method for producing rare earth element sintered magnet Kazuaki Sakaki, Masaki Kasashima, Takehisa Minowa 2008-10-21
7156928 Corrosion-resistant rare earth element magnet Takehisa Minowa 2007-01-02
7115009 Outboard motor Jun Itoh, Shigeo Unno, Shigehisa Hamaguchi 2006-10-03
6777097 Corrosion resistant rare earth magnet and its preparation Takehisa Minowa 2004-08-17
6746545 Preparation of rare earth permanent magnets Kazuo Tamura, Masanobu Shimao, Takehisa Minowa 2004-06-08
6224986 Rare earth permanent magnet of high corrosion resistance Takehisa Minowa, Masao Yoshikawa 2001-05-01
6216505 Method and apparatus for rolling a strip Shinichiro Hiramatsu 2001-04-17
5636544 Cold rolling method for a metal strip and a mill array Atsushi Tomizawa, Hideo Yamamoto, Takeshi Masui, Kiyotaka Hori, Shunji Kamata +6 more 1997-06-10