HK

Hiroshi Kumagai

Nissan Motor Co.: 12 patents #548 of 8,689Top 7%
HC Hitachi Construction Machinery Co.: 6 patents #208 of 1,234Top 20%
RI Riken: 6 patents #103 of 1,824Top 6%
Ricoh Company: 5 patents #3,664 of 9,818Top 40%
SO Sony: 4 patents #8,966 of 25,231Top 40%
YE Yaskawa Electric: 4 patents #198 of 1,006Top 20%
RK Rikagaku Kenkyusho: 2 patents #27 of 207Top 15%
MG Mahle International Gmbh: 1 patents #783 of 1,650Top 50%
NI Nifco: 1 patents #245 of 650Top 40%
SI School Juridical Person The Kitasato Institute: 1 patents #17 of 57Top 30%
YE Yokogawa Electric: 1 patents #658 of 1,441Top 50%
HK Hamamatsu Photonics K.K.: 1 patents #936 of 1,436Top 70%
MJ Mahle Filter Systems Japan: 1 patents #43 of 115Top 40%
Overall (All Time): #71,458 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
7665484 Fluid coupling Seiji Kamada 2010-02-23
7607414 Member for internal combustion engine and production method thereof Seiji Kamada, Midori Kondou, Kenji Kikuchi, Takumaru Sagawa, Yutaka Mabuchi +1 more 2009-10-27
7488521 Resinous tube Katsumi Morohoshi, Tetsuya Enomoto 2009-02-10
7482052 Method for processing by laser, apparatus for processing by laser, and three-dimensional structure Yasufumi Yamada, Katsumi Midorikawa 2009-01-27
7090262 Fuel tank connector Kazumasa Kurihara, Toshihide Kimisawa, Tsuyoshi Kato, Yasutomo Kobayashi, Masami Honma +2 more 2006-08-15
7067198 Method and apparatus for processing three-dimensional structure, method for producing three-dimensional shape product and three-dimensional structure Yasufumi Yamada, Katsumi Midorikawa 2006-06-27
6949215 Method for processing a three-dimensional structure by laser Yasufumi Yamada, Katsumi Midorikawa 2005-09-27
6923218 Fuel hose and producing method therefor Katsumi Morohoshi, Mitsuo Yamada, Masami Honma 2005-08-02
6866297 Welded structure of fuel filling container and welded part, and welding method therefor Katsumi Morohoshi, Masami Honma, Tomoyuki Satou, Mitsuo Yamada 2005-03-15
6822221 Method for laser cooling of atoms and apparatus therefore Katsumi Midorikawa 2004-11-23
6803540 Method and apparatus for processing three-dimensional structure, method for producing three-dimensional shape product and three-dimensional structure Yasufumi Yamada, Katsumi Midorikawa 2004-10-12
6722708 Tubular resin connection structure Katsumi Morohoshi, Tatsunobu Takeda 2004-04-20
6707021 Transparent medium processing device Masatoshi Fujimoto, Shinichiro Aoshima, Katsumi Midorikawa 2004-03-16
6571273 Process control system Toshiaki Shirai, Naoki Ura, Umihiko Hoshino, Takeshi Inoue, Shuji Yamamoto 2003-05-27
5945204 Multilayer film structure for soft X-ray optical elements Kouichi Toyoda 1999-08-31
5851297 Method and apparatus for preparing crystalline thin-films for solid-state lasers Kouichi Toyoda 1998-12-22
5645638 Method and apparatus for preparing crystalline thin-films for solid-state lasers Kouichi Toyoda 1997-07-08