Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5736760 | Random access memory device with trench-type one-transistor memory cell structure | Katsuhiko Hieda, Takeshi Hamamoto | 1998-04-07 |
| 5698869 | Insulated-gate transistor having narrow-bandgap-source | Makoto Yoshimi, Satoshi Inaba, Atsushi Murakoshi, Mamoru Terauchi, Naoyuki Shigyo +8 more | 1997-12-16 |
| 5629539 | Semiconductor memory device having cylindrical capacitors | Tohru Ozaki, Takashi Yamada, Hitomi Kawaguchiya | 1997-05-13 |
| 5578847 | Dynamic semiconductor memory device with higher density bit line/word line layout | Takashi Yamada, Hiroshi Takato, Tohru Ozaki, Katsuhiko Hieda, Akihiro Nitayama | 1996-11-26 |
| 5508541 | Random access memory device with trench-type one-transistor memory cell structure | Katsuhiko Hieda, Takeshi Hamamoto | 1996-04-16 |
| 5384280 | Method of manufacturing a semiconductor device isolated by a trench | Hiroshi Takato | 1995-01-24 |
| 5378635 | Method of measuring a catecholamine and its metabolite | Kenji Yasuda, Takefumi Yokokura | 1995-01-03 |
| 4755394 | Electroconductive articles and a method of producing the same | Takashi Kitamura, Takashi Ohashi | 1988-07-05 |
| 4698755 | Printer control system and method of designating functions of printer | Kenichi OKAZAKI, Kunio Morimoto, Kazumi Sawano | 1987-10-06 |