SK

Setsuko Kawahara

KO Konica: 16 patents #102 of 1,958Top 6%
Overall (All Time): #303,166 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5496614 Magnetic recording medium Yasushi Nakano, Yuji Shimizu, Tohru Miyake 1996-03-05
5482762 Magnetic recording medium Yasushi Nakano, Yuji Shimizu, Shoichi Sugitani 1996-01-09
5336559 Magnetic recording medium Hiroaki Yamagishi, Yasushi Nakano, Noboru Koyama 1994-08-09
5188907 Magnetic recording medium Yasushi Nakano, Yuji Shimizu, Yasuhisa Yamauchi 1993-02-23
5151323 Magnetic recording medium and manufacturing method thereof Yasushi Nakano, Noboru Koyama 1992-09-29
5116683 Magnetic recording medium containing a specified ferromagnetic powder, polyurethane resin prepared from specified branched chain diols and a fatty acid ester Noboru Koyama, Rieko Ren, Kenji Kumamoto, Noboru Nakajima 1992-05-26
5097792 Coating apparatus Masahiro Umemura, Takemasa Namiki, Seiichi Tobisawa, Shigetoshi Kawabe, Takeshi Nakajima +2 more 1992-03-24
5098785 Magnetic recording medium containing a copolymer having an anionic functional group which forms an intermolecular salt Takafumi Yanagita, Tsutomu Kempo, Narito Goto, Takuo Nishikawa, Noboru Koyama +1 more 1992-03-24
5093192 Magnetic recording medium Yasushi Nakano, Noboru Koyama, Masahiro Umemura 1992-03-03
5093193 Magnetic recording medium and method of making it Noboru Koyama, Yasushi Nakano 1992-03-03
5089333 Magnetic recording medium Noboru Koyama, Yasushi Nakano, Noboru Nakajima 1992-02-18
5084335 Magnetic recording medium comprising upper and lower magnetic layers Yasushi Nakano, Kikuo Oonuma, Masahiro Umemura, Seiichi Tobisawa, Takeshi Nakajima 1992-01-28
5051291 Magnetic recording medium Yasushi Nakano, Noboru Koyama 1991-09-24
5035856 Magnetic recording medium Noboru Koyama, Yasushi Nakano, Yoshitaka Yasufuku, Takemasa Namiki, Shigetoshi Kawabe +1 more 1991-07-30
5026598 Magnetic recording medium Noboru Koyama, Yasushi Nakano, Noboru Nakajima 1991-06-25
4992330 Magnetic recording medium Noboru Koyama, Yasushi Nakano, Noboru Nakajima 1991-02-12