Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5252943 | Resistor element whose electrically resistive layer has extension into openings in cylindrical ceramic support | Soya Miyajima, Yasuhito Yajima, Takayuki Ogasawara | 1993-10-12 |
| 4647813 | Electroluminescent device having an additional selenium layer | Takuo Hayashi, Norihiko Ozawa, Yukihiro Hirasawa, Naotoshi Miyazawa | 1987-03-03 |