Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6367731 | Roll paper pulling load-buffering device for a printer | Hiroshi Takizawa, Manabu Shimizu | 2002-04-09 |
| 4954535 | High-durability plate brick for sliding gate nozzle apparatus | Tsutomu Harada | 1990-09-04 |
| 4917276 | Sliding gate nozzle for special steel | Toshihiro Suruga | 1990-04-17 |
| 4775504 | Process for producing refractory plate for sliding nozzle | Toshihiro Suruga | 1988-10-04 |
| 4702629 | Apparatus for adjusting the print head gap in a dot matrix printer | Tsutomu Hamano | 1987-10-27 |
| 4585485 | Refractory sliding nozzle plate | Tsutomu Harada | 1986-04-29 |
| 4539301 | Graphite-containing refractories | Toshiaki Kaneko, Ichiro Takita | 1985-09-03 |
| 4419455 | Packing materials | Tsutomu Harada | 1983-12-06 |
| 4326040 | Refractory for casting and process for producing same | Nobuhiko Kaji, Hidenobu Honda | 1982-04-20 |
| 4280844 | Refractory brick for molding molten steel | Toshihiko Iwata | 1981-07-28 |