Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10082293 | Ceramic heater and manufacturing method thereof | Kazuya Matsui | 2018-09-25 |
| 7020952 | Method for producing a glow plug | Masahiro Konishi, Katsuhisa Yabuta | 2006-04-04 |
| 6744016 | Ceramic heater and method for manufacturing the same | Masahiro Konishi | 2004-06-01 |
| 6599457 | Process for producing silicon nitride sintered body for use in ceramic heater for use in glow plug | Masahiro Konishi | 2003-07-29 |
| 6423944 | Ceramic heater and glow plug with reference zone and condensed zone of ceramics and conductive particles dispersed therein | Masahiro Konishi | 2002-07-23 |
| 6359261 | Silicon nitride sintered body, process for producing the same, ceramic heater employing the silicon nitride sintered body and glow plug containing the ceramic heater | Masahiro Konishi | 2002-03-19 |
| 6274855 | Heating resistor for ceramic heaters, ceramic heaters and method of manufacturing ceramic heaters | Kazuho Tatematsu | 2001-08-14 |
| 6143238 | Method for manufacturing a ceramic heater | Masahiro Konishi | 2000-11-07 |