Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8322079 | Sash windows | John Patrick Daniels, Hiroyuki Sasaki, Akio Ozawa, Tsutomu Ito | 2012-12-04 |
| 7681360 | Sash window assembly | John Patrick Daniels, Hiroyuki Sasaki, Akio Ozawa, Tsutomu Ito | 2010-03-23 |
| 7596912 | Integrated window assembly and components | Tsutomu Ito | 2009-10-06 |