Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739544 | Quantization functional device utilizing a resonance tunneling effect and method for producing the same | Yoshihiko Hirai, Kiyoshi Morimoto, Masaaki Niwa, Juro Yasui, Kenji Okada +2 more | 1998-04-14 |
| 5562802 | Method of producing a quantum device which utilizes the quantum effect | Kenji Okada, Kiyoshi Morimoto, Masaharu Udagawa, Masaaki Niwa, Yoshihiko Hirai +1 more | 1996-10-08 |
| 5543351 | Method of producing electrically insulated silicon structure | Yoshihiko Hirai, Kiyoshi Morimoto, Yasuaki Terui, Masaaki Niwa, Juro Yasui +2 more | 1996-08-06 |
| 5514614 | Method for producing quantization functional device utilizing a resonance tunneling effect | Yoshihiko Hirai, Koyoshi Morimoto, Masaaki Niwa, Juro Yasui, Kenji Okada +1 more | 1996-05-07 |
| 5486706 | Quantization functional device utilizing a resonance tunneling effect and method for producing the same | Yoshihiko Hirai, Kiyoshi Morimoto, Masaaki Niwa, Juro Yasui, Kenji Okada +1 more | 1996-01-23 |
| 5480492 | Method for removing organic or inorganic contaminant from silicon substrate surface | Masaharu Udagawa, Juro Yasui, Masaaki Niwa, Yoshihiko Hirai, Kenji Okada +1 more | 1996-01-02 |
| 5444267 | Quantum device utilizing the quantum effect | Kenji Okada, Kiyoshi Morimoto, Masaharu Udagawa, Masaaki Niwa, Yoshihiko Hirai +1 more | 1995-08-22 |
| 5405454 | Electrically insulated silicon structure and producing method therefor | Yoshihiko Hirai, Kiyoshi Morimoto, Yasuaki Terui, Masaaki Niwa, Juro Yasui +2 more | 1995-04-11 |