Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6184507 | Package for carbon heater used for manufacturing a mono crystal body and method of forming the same | Saburou Tanaka, Akira Masaoka | 2001-02-06 |
| 5966794 | Method of manufacturing multiple-piece graphite crucible | Susumu Ishizaka, Saburou Tanaka | 1999-10-19 |