Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002246 | Aeration apparatus | Kazumi Kawashima | 2011-08-23 |
| 5326256 | Igniting device | Tsutomu Shike, Masaki Saito | 1994-07-05 |
| 5322433 | Igniting device | Tsutomu Shike, Masaki Saito | 1994-06-21 |
| 5284439 | Igniting device | Tsutomu Shike, Masaki Saito | 1994-02-08 |
| 5186618 | Gas lighter with safety device | Tsutomu Shike, Yosimitu Kaga, Kazuhiko Suganuma | 1993-02-16 |
| 5145358 | Safety device for piezoelectric gas lighter | Tsutomu Shike, Nobuo Yamazaki | 1992-09-08 |