Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6337105 | Method and apparatus for forming thin functional film | Toshiaki Kunieda, Sadayuki Okazaki | 2002-01-08 |
| 6291031 | Method for preparing optical recording medium and preparation apparatus therefor | Sadayuki Okazaki, Toshiaki Kunieda | 2001-09-18 |
| 6177132 | Optical recording medium and method of its manufacture | Toshiaki Kunieda, Sadayuki Okazaki | 2001-01-23 |
| 4844377 | Tape cassette | Yoshinori Shiomi, Akihiro Nishimura, Masao Kawagishi, Hideki Sakumoto, Masahiko Matsui | 1989-07-04 |
| 4566048 | Tape cassette adapter | Tomokazu Tokunaga, Masataka Izaki, Jirou Kajino | 1986-01-21 |
| 4479618 | Tape cassette adapter | Takehiro Okada, Masataka Izaki, Jirou Kajino | 1984-10-30 |
| 4250825 | Under thread detection for sewing machines with axially spring biased rotatable member | — | 1981-02-17 |