Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885042 | Method and apparatus for preliminary treatment of stainless steel for cold rolling | Kazuhito Kenmochi, Akihiko Fukuhara, Tomio Komatu, Masanori Kitahama, Akira Kishida +2 more | 1989-12-05 |
| 4841611 | Work roll with dulled surface having geometrically patterned uneven dulled sections for temper rolling | Takashi Kusaba, Akira Torao, Kusuo Furukawa, Takayuki Yanagimoto, Hiroaki Sasaki | 1989-06-27 |