Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11772217 | Conveyance chain, tool change system and multiple link plates | Tatsuya Kamio | 2023-10-03 |
| 11015709 | Gasket and sealing structure | Takeshi Watanabe, Ryoko Saito | 2021-05-25 |
| 9027936 | Gasket | Shuji Yoshitsune, Masaru Ito, Seiji Tani | 2015-05-12 |
| 8814771 | Tool holding and conveying chain | Michio Oitaka | 2014-08-26 |
| 8003030 | Process for production of gaskets | Syuji Yoshitsune, Masaru Ito, Hirotaka Muragishi | 2011-08-23 |
| 7823858 | Method for forming masonry unit | Yasunori Matsufuji | 2010-11-02 |