Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6361132 | Overhead doors | — | 2002-03-26 |
| 6296337 | Overhead doors | — | 2001-10-02 |
| 5675127 | Anticorrosive coat structure of lead | — | 1997-10-07 |
| 5458158 | Lead cutting apparatus and an anticorrosive coat structure of lead | — | 1995-10-17 |
| 5446244 | Printed wiring pattern | Kenichi Sowa, Akihisa Mori, Tomoyuki Sawada | 1995-08-29 |
| 5232071 | Caster brake with push button actuation of a slide member for locking the caster wheel | — | 1993-08-03 |