Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6011302 | Semiconductor device with reduced amount of sealing resin | — | 2000-01-04 |
| D364384 | Semi-conductor element with terminal casing | Tomio Shimizu, Shinichi Kobayashi, Katsumi Yamada | 1995-11-21 |
| D364385 | Semi-conductor element with terminal casing | Tomio Shimizu, Rikihiro Maruyama, Toshifusa Yamada, Takao Nagasawa | 1995-11-21 |
| 5161306 | Roll for use in heat treating furnace and method of producing the same | Yoshio Harada, Noriyuki Mifune | 1992-11-10 |
| 5070587 | Roll for use in heat treating furnace and method of producing the same | Yoshio Harada, Noriyuki Mifune | 1991-12-10 |