Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6322623 | Light-screening film paint for lamps, and light-screening film for lamps and producing method thereof | Tatsuo Mifune, Kazunori Sakamoto, Masaru Watanabe | 2001-11-27 |
| 6197251 | Porous metal material, and method for manufacturing same | Akira Hashimoto, Junjirou Awano, Katsuhiro Okamoto, Yoriko Takai, Masaki Hirokoh | 2001-03-06 |
| 6172449 | Method of manufacturing electronic tube and electronic tube | Tatsuo Mifune, Akihiro Horikawa | 2001-01-09 |
| 6117490 | Coating material application method and an apparatus for use in such a method | Koji Nishida, Masaru Watanabe | 2000-09-12 |
| 6015592 | Light-screening film paint for lamps, and light-screening film for lamps and producing method thereof | Tatsuo Mifune, Kazunori Sakamoto, Masaru Watanabe | 2000-01-18 |
| 5536313 | Intermittent coating apparatus | Masaru Watanabe | 1996-07-16 |
| 5396392 | Tape casette with tape cleaners | Masaru Watanabe, Tousaku Nishiyama | 1995-03-07 |
| 5372320 | Tape cassette | Masaru Watanabe, Tousaku Nishiyama | 1994-12-13 |
| 5355271 | Tape cassette with resiliently mounted tape cleaner | Masaru Watanabe, Tousaku Nishiyama, Kiyoshi Kobata | 1994-10-11 |
| 5229173 | Method of producing a magnetic recording media | Hiroshi Suzuki, Tousaku Nishiyama, Masaki Hirokoh | 1993-07-20 |
| 4361627 | Magnetic recording medium | — | 1982-11-30 |