Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5753160 | Method for controlling firing shrinkage of ceramic green body | Yukihisa Takeuchi, Tsutomu Nanataki, Hisanori Yamamoto | 1998-05-19 |
| 5733670 | Zirconia diaphragm structure, method of producing the same, and piezoelectric/electrostrictive film element having the zirconia diaphragm structure | Yukihisa Takeuchi, Hideo Masumori, Tsutomu Nanataki | 1998-03-31 |
| D390838 | Presentation viewer | Takashi Matsuda | 1998-02-17 |
| D390247 | Projector | Eisaku Shoji, Manabu Tominaga | 1998-02-03 |
| 5634999 | Method of producing ceramic diaphragm structure having convex diaphragm portion | Yukihisa Takeuchi, Tsutomu Nanataki, Hideo Masumori | 1997-06-03 |
| 5545461 | Ceramic diaphragm structure having convex diaphragm portion and method of producing the same | Yukihisa Takeuchi, Tsutomu Nanataki, Hideo Masumori, Takahiro Maeda | 1996-08-13 |
| 5517076 | Zirconia diaphragm structure and piezoelectric/electrostrictive element incorporating same | Yukihisa Takeuchi, Hideo Masumori, Tsutomu Nanataki | 1996-05-14 |
| 5376856 | Piezoelectric/electrostrictive actuator having ceramic substrate with auxiliary windows in addition to pressure chamber windows | Yukihisa Takeuchi, Hideo Masumori | 1994-12-27 |
| 4945972 | Containable door of folding type | — | 1990-08-07 |