Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8419824 | Method for producing briquette, method for producing reduced metal, and method for separating zinc or lead | Masahiko Tetsumoto, Noriaki Mizutani | 2013-04-16 |
| 8268231 | Treatment method for high-temperature exhaust gas | Hirofumi Tsutsumi, Tadashi Yaso | 2012-09-18 |
| 8088194 | Method for producing hot briquette iron using high-temperature reduced iron and method and apparatus for controlling temperature of reduced iron for hot forming | Hirofumi Tsutsumi | 2012-01-03 |
| 5866677 | Method and system for producing poly (lactic acid) | Hiroshi Maeda, Kunihiko Shimizu, Eiichi Kawada, Koji Yamamoto, Hitomi Ohara +3 more | 1999-02-02 |