Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4729972 | High toughness ceramics and process for the preparation thereof | Hironori Kodama, Akihiro Gotoo, Hiroshi Sakamoto, Takaaki Suzuki | 1988-03-08 |
| 4612296 | High toughness silicon nitride sintered body and process for producing the same | Hiroshi Sakamoto | 1986-09-16 |
| 4544642 | Silicon carbide electrical insulator material of low dielectric constant | Kunihiro Maeda | 1985-10-01 |
| 4478704 | Gas detection device | Masanori Yoshikawa, Mitsuo Taguchi | 1984-10-23 |
| 4450426 | Nonlinear resistor and process for producing the same | Takeo Yamazaki, Kunihiro Maeda, Ken Takahashi, Siniti Oowada | 1984-05-22 |
| 4420737 | Potentially non-linear resistor and process for producing the same | Takeo Yamazaki, Kunihiro Maeda | 1983-12-13 |
| 4326187 | Voltage non-linear resistor | Takeo Yamazaki, Kunihiro Maeda, Ken Takahashi | 1982-04-20 |
| 4319215 | Non-linear resistor and process for producing same | Takeo Yamazaki | 1982-03-09 |
| 4266979 | Oxygen sensor ceramic and process for preparing the same | Takeo Yamazaki | 1981-05-12 |