Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9675570 | Solid compositions comprising a salt of aminocarboxylic acid | Shinichiro Tajiri, Shinji Yoshinaga | 2017-06-13 |
| 6578340 | Wall structure of building | Masayoshi Ishikawa, Tsutomu Takahashi | 2003-06-17 |
| 6032423 | Curtain wall having mullion structure | Yoshiaki Tanari | 2000-03-07 |
| 5014465 | Adjusting device for use in work-well attachment mounted on stile | Masayoshi Ishikawa | 1991-05-14 |
| 4803809 | Single sliding sash window | — | 1989-02-14 |