HK

Hiroshi Kuwamoto

NC Nippon Kokan Co.: 14 patents #4 of 735Top 1%
KA Kao: 7 patents #452 of 3,221Top 15%
KC Kao Soap Co.: 2 patents #42 of 203Top 25%
YC Yushiro Chemical Industry Co.: 2 patents #4 of 77Top 6%
IJ Ishikawajima-Harima Jukogyo: 1 patents #170 of 494Top 35%
Overall (All Time): #358,128 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
5094764 Method for supplying a lubricating oil composition Yoshihiro Sakaguchi, Hiroyuki Nagamori, Yasuhiro Nakagawa 1992-03-10
4985158 Lubricating oil composition and method for supplying same Yoshihiro Sakaguchi, Hiroyuki Nagamori, Yasuhiro Nakagawa 1991-01-15
4970011 Lubricating oil useful in the rolling of metal and a method for supplying the same Yoshihiro Sakaguchi, Hiroyuki Nagamori, Yasuhiro Nakagawa 1990-11-13
4883606 Water-soluble temper rolling oil and method of temper rolling Shuichi Iwado, Yoichi Koga, Tomoya Izushi, Toshimi Muto, Nobuomi Kuroi 1989-11-28
4810589 Steel foil having excellent shielding characteristics to electromagnetic waves Masaharu Jitsukawa, Yoshihiro Hosoya 1989-03-07
4693839 Metal rolling oil composition Shuichi Iwadoo, Yuji Okami, Hiroyuki Nagamori, Yasuhiro Nakagawa 1987-09-15
4666617 Cold rolling oil for steel sheet Toshitake Katayama, Shuichi Iwado, Sakae Sonoda, Shoji Okamoto, Koji Kaburagi 1987-05-19
4664823 Metal-working oil composition Hiroyuki Nagamori, Takashi Mukai, Shuichi Iwado 1987-05-12
4663061 Metal-working oil composition Hiroyuki Nagamori, Takashi Mukai, Shuichi Iwado, Yoshihiro Sakaguchi 1987-05-05
4650595 Metal working water-soluble lubricant composition and method of feeding same Hiroyuki Nagamori, Takashi Mukai, Rikio Tsushima, Shuichi Iwado, Takeru Sharyo 1987-03-17
4637885 Metal-working oil composition Hiroyuki Nagamori, Takashi Mukai, Shuichi Iwado 1987-01-20
4626367 Water-soluble metal-working lubricant composition Hiroyuki Nagamori, Takashi Mukai, Shuichi Iwado 1986-12-02
4577480 Method and apparatus for controlling rolling correction in rolling mill Kanji Kizaki, Hajime Ishii, Noboru Taguchi 1986-03-25
4554087 Metal processing composition Iwane Chiba, Junji Fujiwara, Tomoya Izushi, Toshimi Muto, Haruji Toyama 1985-11-19