Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9604867 | Heat-resistant roll, production method thereof, and method of producing sheet glass using heat-resistant roll | Masaaki Nakayama, Kouji Iwata, Kazuhisa Watanabe | 2017-03-28 |
| 8876680 | Disc member base material for a disc roll | Masaaki Nakayama, Masafumi Igo | 2014-11-04 |
| 8776373 | Method for producing a disc roll | Masaaki Nakayama, Masafumi Igo | 2014-07-15 |
| 8636633 | Disc roll | Masaaki Nakayama, Masafumi Igo | 2014-01-28 |
| 8303377 | Heat-resistant roll, production method thereof, and method of producing sheet glass using heat-resistant roll | Masaaki Nakayama, Kouji Iwata, Kazuhisa Watanabe | 2012-11-06 |