Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6514427 | Piezoelectric ceramic composition and piezoelectric element containing the same | Keiichi Takahashi, Kojiro Okuyama, Junichi Kato | 2003-02-04 |
| 6458287 | Piezoelectric ceramic composition and piezoelectric element containing the same | Keiichi Takahashi, Kojiro Okuyama, Hiroshi Sogou, Junichi Kato | 2002-10-01 |
| 6426017 | Piezoelectric ceramic composition and piezoelectric element using the same | Keiichi Takahashi, Hiroshi Sogou | 2002-07-30 |
| 6426018 | Piezoelectric ceramic compositions | Keiichi Takahashi | 2002-07-30 |
| 6123867 | Piezoelectric ceramic composition and piezoelectric device using the same | Keiichi Takahashi, Hiroshi Asano, Hiroyuki Hase | 2000-09-26 |
| 6118209 | Piezoelectric ceramic composition and piezoelectric transformer | Kojiro Okuyama, Toshiyuki Asahi, Hiroyuki Hase | 2000-09-12 |
| 5403788 | Dielectric ceramics composite material | Koichi Kugimiya | 1995-04-04 |
| 5320284 | Agitating mill and method for milling | Hamae Ando, Koichi Kugimiya | 1994-06-14 |
| 5246898 | Dielectric ceramics | Takuya Fujimaru, Koichi Kugimiya | 1993-09-21 |
| 5221872 | Piezoelectric ceramics and their production methods | Hamae Ando, Kouichi Kugimiya | 1993-06-22 |
| 5213702 | Media agitating mill and method for milling ceramic powder | Hamae Ando, Koichi Kugimiya | 1993-05-25 |
| 5065946 | Media agitating mill and method for milling ceramic powder | Hamae Ando, Koichi Kugimiya | 1991-11-19 |
| 4711862 | Dielectric ceramic compositions | Yoichiro Yokotani, Junichi Kato, Syunichiro Kawashima, Hiromu Ouchi | 1987-12-08 |
| 4586972 | Method for making multilayer ceramic body | Yoichirou Yokotani, Junichi Kato, Hiromu Ouchi, Tsuneharu Nitta | 1986-05-06 |
| 4555494 | Dielectric ceramic compositions | Hiromu Ouchi, Yoshihiro Matsuo | 1985-11-26 |
| 4542107 | Dielectric ceramic compositions | Junichi Kato, Yoichirou Yokotani, Hiromu Ouchi | 1985-09-17 |
| 4442220 | Dielectric ceramics | Hiromu Ouchi, Syunichiro Kawashima, Ichiro Ueda | 1984-04-10 |
| 4392970 | Piezoelectric ceramics | Hiromu Ouchi, Kazunori Numata | 1983-07-12 |
| 4338403 | Dielectric ceramics | Syunichiro Kawashima, Ichiro Ueda, Hiromu Ouchi | 1982-07-06 |
| 4330631 | Dielectric ceramics | Syunichiro Kawashima, Ichiro Ueda, Hiromu Ouchi | 1982-05-18 |
| 4248727 | Dielectric ceramics | Syunichiro Kawashima, Ichiro Ueda, Hiromu Ouchi | 1981-02-03 |
| 4226827 | Method for preparing piezoelectric ceramics | Syunichiro Kawashima, Ichiro Ueda, Hiromu Ouchi | 1980-10-07 |
| 4210546 | Piezoelectric ceramic compositions | Hiromu Ouchi, Shigeru Hayakawa | 1980-07-01 |