Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7132713 | Controllable conduction device with electrostatic barrier | Kazuo Nakazato, Kiyoo Itoh, Toshikazu Shimada, Hideo Sunami, Tatsuya Teshima +2 more | 2006-11-07 |
| 6833980 | Magnetoelectric device | Kazuhito Tsukagoshi, Bruce Alphenaar | 2004-12-21 |
| 6825527 | Semiconductor memory device and manufacturing method | Hideo Sunami, Kiyoo Itoh, Toshikazu Shimada, Kazuo Nakazato | 2004-11-30 |
| 6753568 | Memory device | Kazuo Nakazato, Kiyoo Itoh, Toshihiko Sato, Toshikazu Shimada, Haroon Ahmed | 2004-06-22 |
| 6642574 | Semiconductor memory device and manufacturing method thereof | Hideo Sunami, Kiyoo Itoh, Toshikazu Shimada, Kazuo Nakazato | 2003-11-04 |
| 6211531 | Controllable conduction device | Kazuo Nakazato, Kiyoo Itoh, Toshikazu Shimada, Hideo Sunami, Tatsuya Teshima +2 more | 2001-04-03 |
| 6169308 | Semiconductor memory device and manufacturing method thereof | Hideo Sunami, Kiyoo Itoh, Toshikazu Shimada, Kazuo Nakazato | 2001-01-02 |
| 6097036 | Semiconductor logic element and apparatus using thereof | Tatsuya Teshima, Ken Yamaguchi | 2000-08-01 |
| 6060723 | Controllable conduction device | Kazuo Nakazato, Kiyoo Itoh, Toshikazu Shimada, Hideo Sunami, Tatsuya Teshima +2 more | 2000-05-09 |
| 5952692 | Memory device with improved charge storage barrier structure | Kazuo Nakazato, Kiyoo Itoh, Toshihiko Sato, Toshikazu Shimada, Haroon Ahmed | 1999-09-14 |
| 5229623 | Electric circuit using multiple differential negative resistance elements, semiconductor device and neuro chip using the same | Tomonori Tanoue, Susumu Takahashi | 1993-07-20 |
| 5017973 | Resonant tunneling device | Tomonori Tanoue, Chushirou Kusano, Susumu Takahashi | 1991-05-21 |