Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4713278 | Magnetic recording medium | Eiji Kitaura, Tsutomu Tsunoda, Yoshio Kawakami | 1987-12-15 |
| 4621018 | Magnetic recording medium | Kaoru Kawasaki | 1986-11-04 |
| 4615949 | Magnetic recording medium | Yuji Ishihara, Hitoshi Azegami | 1986-10-07 |
| 4608315 | Magnetic recording medium | Yuji Ishihara, Hitoshi Azegami | 1986-08-26 |
| 4436786 | Magnetic recording medium | Takehisa Ohkawa | 1984-03-13 |
| 4416947 | Magnetic recording medium | Takehisa Ohkawa | 1983-11-22 |
| 4416948 | Magnetic recording medium | Takehisa Ohkawa | 1983-11-22 |
| 4409300 | Magnetic recording medium | Takehisa Ohkawa | 1983-10-11 |
| 4400435 | Magnetic recording medium | Takehisa Ohkawa, Hitoshi Azegami | 1983-08-23 |
| 4352859 | Magnetic recording medium | Takehisa Ohkawa, Hitoshi Azegami | 1982-10-05 |