Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7421900 | Ultrasonograph, ultrasonic transducer, examining instrument, and ultrasonographing device | Hirokazu Karasawa, Masayuki Nakamoto, Makoto Ochiai, Taiji Hirasawa, Takahiro Ikeda | 2008-09-09 |
| 7144286 | Method of manufacturing cold cathode type electron emitting device | Yoshiki Ishizuka | 2006-12-05 |
| 6417606 | Field emission cold-cathode device | Masayuki Nakamoto | 2002-07-09 |
| 5729020 | Hybrid type infrared detector | Keiichi Matsushita, Keitaro Shigenaka | 1998-03-17 |
| 5641973 | Semiconductor piezoelectric photoelectric converting device and imaging device using such semiconductor photoelectric converting device | Keitaro Shigenaka, Keiichi Matsushita | 1997-06-24 |
| 5497029 | Tin-indium antimonide infrared detector | Fumio Nakata, Keitaro Shigenaka, Keijiro Hirahara | 1996-03-05 |
| 5162297 | Liquid phase epitaxial growth of high temperature superconducting oxide wafer | Kazutaka Terashima | 1992-11-10 |
| 4670968 | Method of implanting uniform concentrations in solids having predetermined angular relationship with the ion-beam | Hitoshi Mikami, Shigeru Yasuami | 1987-06-09 |