Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475680 | Lithium secondary battery, its electrolyte, and electric apparatus using the same | Juichi Arai, Hideaki Katayama, Haruo Akahoshi, Takao Iwayanagi | 2002-11-05 |
| 6323163 | Fluorocompound, lubricant, surface modifier, lubricating film, magnetic recording medium, and magnetic recording device | Hiroshi Sasaki, Mitsuyoshi Shouji, Takayuki Nakakawaji, Mina Ishida, Yutaka Ito +1 more | 2001-11-27 |
| 6296917 | Magnetic disk and magnetic recording/reproduction apparatus | Takayuki Nakakawaji, Mitsuyoshi Shouji, Hiroshi Sasaki, Shuji Imazeki, Yutaka Ito | 2001-10-02 |
| 5985403 | Magnetic recording medium and magnetic recording reproducer | Takayuki Nakakawaji, Mitsuyoshi Shoji, Shuji Imazeki, Yutaka Ito, Hisashi Morooka +2 more | 1999-11-16 |
| 4657685 | Emulsion type liquid lubricant for metal forming, process for preparing the lubricant and process for metal forming with the lubricant | Takao Uematsu, Shigeki Komatsuzaki, Fumio Nakano | 1987-04-14 |
| 4612127 | Lubricant for metal forming and process for metal forming | Takao Uematsu, Shigeki Komatsuzaki, Fumio Nakano, Toshikazu Narahara | 1986-09-16 |