Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6290340 | Multi-layer ink jet print head and manufacturing method therefor | Kohei Kitahara, Yukihisa Takeuchi, Nobuo Takahashi, Hideaki Sonehara | 2001-09-18 |
| 6168680 | Method of producing a zirconia diaphragm structure | Yukihisa Takeuchi, Katsuyuki Takeuchi, Tsutomu Nanataki | 2001-01-02 |
| 6004644 | Zirconia diaphragm structure and piezoelectric/electrostrictive film element having the zirconia diaphragm structure | Yukihisa Takeuchi, Katsuyuki Takeuchi, Tsutomu Nanataki | 1999-12-21 |
| 5933170 | Ink jet print head | Yukihisa Takeuchi, Nobuo Takahashi, Hideaki Sonehara, Kohei Kitahara | 1999-08-03 |
| 5798168 | Method of producing ceramic diaphragm structure having convex diaphragm portion and diaphragm structure produced by the same method | Yukihisa Takeuchi, Tsutomu Nanataki, Katsuyuki Takeuchi | 1998-08-25 |
| 5733670 | Zirconia diaphragm structure, method of producing the same, and piezoelectric/electrostrictive film element having the zirconia diaphragm structure | Yukihisa Takeuchi, Katsuyuki Takeuchi, Tsutomu Nanataki | 1998-03-31 |
| 5643379 | Method of producing a piezoelectric/electrostrictive actuator | Yukihisa Takeuchi, Nobuo Takahashi | 1997-07-01 |
| 5634999 | Method of producing ceramic diaphragm structure having convex diaphragm portion | Yukihisa Takeuchi, Tsutomu Nanataki, Katsuyuki Takeuchi | 1997-06-03 |
| 5617127 | Actuator having ceramic substrate with slit(s) and ink jet print head using the actuator | Yukihisa Takeuchi, Nobuo Takahashi | 1997-04-01 |
| 5545461 | Ceramic diaphragm structure having convex diaphragm portion and method of producing the same | Yukihisa Takeuchi, Tsutomu Nanataki, Katsuyuki Takeuchi, Takahiro Maeda | 1996-08-13 |
| 5517076 | Zirconia diaphragm structure and piezoelectric/electrostrictive element incorporating same | Yukihisa Takeuchi, Katsuyuki Takeuchi, Tsutomu Nanataki | 1996-05-14 |
| 5475279 | Piezoelectric/electrostrictive actuator having integral ceramic base member and film-type piezoelectric/electrostrictive element (S) | Yukihisa Takeuchi, Nobuo Takahashi | 1995-12-12 |
| 5376856 | Piezoelectric/electrostrictive actuator having ceramic substrate with auxiliary windows in addition to pressure chamber windows | Yukihisa Takeuchi, Katsuyuki Takeuchi | 1994-12-27 |
| 4814304 | Ceramic composition for dielectrics | Yukihisa Takeuchi | 1989-03-21 |
| 4766010 | Process for manufacturing dielectric layers formed from ceramic compositions containing inorganic peroxide and electronic devices including said layers | Yukihisa Takeuchi | 1988-08-23 |
| 4755493 | Ceramic composition for dielectric ceramic bodies | Yukihisa Takeuchi | 1988-07-05 |
| 4649125 | Ceramic composition for dielectrics | Yukihisa Takeuchi | 1987-03-10 |