Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6110574 | Retroreflective sheeting | Osamu Tanaka, Masaki Yoshizawa | 2000-08-29 |
| 5988821 | Lens type functional retroreflective sheeting and method of producing same | Osamu Tanaka, Kiyohito Hiromitsu, Kunihiro Takao | 1999-11-23 |
| 5984479 | Lens-type retroreflective sheeting | Osamu Tanaka, Makoto Takeda | 1999-11-16 |
| 5824390 | Method for producing retroreflective sheeting using a coupling agent | Osamu Tanaka, Masaki Yoshizawa | 1998-10-20 |
| 5812316 | Method for making retroreflective sheeting | Masaki Yoshizawa, Osamu Tanaka | 1998-09-22 |
| 5726803 | Lens-type retroreflective sheeting | Osamu Tanaka, Makoto Takeda | 1998-03-10 |
| 5601911 | Capsule type retroreflective sheeting | Osamu Tanaka, Manabu Ogawa | 1997-02-11 |
| 5601915 | Retroreflective sheeting | Masaki Yoshizawa, Osamu Tanaka | 1997-02-11 |
| 5225267 | Laminated resin film having a metallic appearance | Yasuaki Oonishi, Kazuhisa Kinsen | 1993-07-06 |
| 5008139 | Pressure-sensitive adhesive layer | Yasuaki Oonishi, Kazuhisa Kinsen | 1991-04-16 |
| 4670490 | Vinyl chloride resin composition | Tatsuro Yoshida, Hidematsu Shimasaki, Takahisa Minamizono | 1987-06-02 |
| 4556595 | Pressure-sensitive adhesive sheet structure having relocatable properties | — | 1985-12-03 |