Issued Patents All Time
Showing 101–106 of 106 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621052 | Silicon nitride-tungsten carbide composite sintered material, process for preparing the same and glow plug | Katsura Matsubara, Masaya Ito | 2003-09-16 |
| 6563089 | Silicon nitride—tungsten carbide composite sintered material, production process therefor, and glow plug comprising the same | Katsura Matsubara, Masaya Ito | 2003-05-13 |
| 5913825 | Ultrasonic probe and ultrasonic survey instrument | Mikio Suzuki | 1999-06-22 |
| 5751924 | Multiple overlay printing and outputting device and multiple overlay printing system | Takao Hamada, Takehiro Matsushita, Tizou Shirakata, Yoshio Shiromoto | 1998-05-12 |
| 5665308 | Urine occult blood test apparatus | — | 1997-09-09 |
| 4196736 | Apparatus for crushing a calculus | — | 1980-04-08 |