Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562493 | Battery, lead member for battery connection, and battery pack using the same | Masazumi Tsukada, Hideaki Kitazume, Tsutomu Matsui, Noriyuki Shimizu, Kayo Tanaka +1 more | 2003-05-13 |
| 6338916 | Hydrogen absorbing alloy, method of manufacturing hydrogen absorbing alloy and alkali secondary battery | Shuichiro Irie, Hideharu Suzuki, Kazuta Takeno | 2002-01-15 |
| 5434014 | Magnetic recording medium and method of manufacturing same | Masayuki Kanamaru, Takashi Hikosaka | 1995-07-18 |
| 4961979 | Optical recording medium | Atsuko Iida, Hirosi Ohdaira, Masaki Katsura, Norio Ozawa | 1990-10-09 |
| 4801481 | Perpendicular magnetic recording floppy disk | Masayuki Sagoi | 1989-01-31 |
| 4680197 | Method of manufacturing perpendicular magnetic recording floppy disk | Masayuki Sagoi | 1987-07-14 |
| 4652479 | Magnetic recording medium | Toshiyuki Suzuki | 1987-03-24 |
| 4649073 | Magnetic recording medium | Toshiyuki Suzuki | 1987-03-10 |
| 4629660 | Perpendicular magnetic-recording medium | Masayuki Sagoi | 1986-12-16 |
| 4441974 | Magnetron sputtering apparatus | Shozo Satoyama, Yoshinori Ito, Hidetaka Jyo | 1984-04-10 |
| 4410603 | Magnetic recording medium | Kazuyoshi Yamamori, Tatsuo Fujiwara, Toshimitsu Asano | 1983-10-18 |