MI

Mina Ishida

HI Hitachi: 7 patents #5,859 of 28,497Top 25%
HC Hitachi Chemical Company: 2 patents #701 of 1,946Top 40%
Overall (All Time): #756,282 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6917495 Magnetic disk drive Takayuki Nakakawaji, Yutaka Ito, Hiroyuki Matsumoto, Hiroshi Tani 2005-07-12
6869536 Lubricant, magnetic disk and magnetic disk apparatus Takayuki Nakakawaji, Yutaka Ito, Hiroyuki Matsumoto, Hiroshi Tani, Heigo Ishihara 2005-03-22
6665147 Magnetic disk drive with supply of perfluoropolyether as lubricant Takayuki Nakakawaji, Yutaka Ito, Hiroyuki Matsumoto, Hiroshi Tani 2003-12-16
6555197 Lubricant, magnetic disk and magnetic disk apparatus Takayuki Nakakawaji, Yutaka Ito, Hiroyuki Matsumoto, Hiroshi Tani, Heigo Ishihara 2003-04-29
6323163 Fluorocompound, lubricant, surface modifier, lubricating film, magnetic recording medium, and magnetic recording device Hiroshi Sasaki, Mitsuyoshi Shouji, Takayuki Nakakawaji, Tomoe Takamura, Yutaka Ito +1 more 2001-11-27
5858584 Positive photosensitive resin composition and electronic apparatus using the same Yoshiaki Okabe, Takao Miwa, Yasunari Maekawa, Takumi Ueno, Geraldine Rames-Langlade 1999-01-12
5633112 Photosensitive resin composition containing a carboxylic acid polymer, photoacid generator and secondary or tertiary aliphatic amine Takao Miwa, Yoshiaki Okabe, Akio Takahashi, Shunichi Numata 1997-05-27