Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11566295 | Leather skiving machine | Michiaki Kanata | 2023-01-31 |
| 6037568 | Glow plug for diesel engine with ptc control element disposed in small-diameter sheath section and connected to the distal end thereof | Koji Hatanaka | 2000-03-14 |
| 5362944 | Glow plug with dual, dissimilar resistive heating elements in ceramic heater | Koji Hatanaka | 1994-11-08 |
| 5206483 | Temperature controlled glow plug having controlled saturation and afterglow characteristics | — | 1993-04-27 |
| 5189280 | Glow plug for diesel engines | Seiji Okazaki, Shigeki Yokoyama, Makoto IMAIZUMI, Koji Hatanaka | 1993-02-23 |
| 5118921 | Metallic sheath heater with improved electrical connection between coil and sheath and method of manufacture thereof | — | 1992-06-02 |
| 5059768 | Ceramic heater type glow plug | Koji Hatanaka | 1991-10-22 |
| 4939347 | Energization control apparatus for glow plug | Mitusuke Masaka, Koji Hatanaka, Minoru Masaki | 1990-07-03 |
| 4914274 | Diesel engine glow plug having SiALON heater | Koji Hatanaka, Kenji Maruta, Hirohisa Suwabe, Seiji Okazaki | 1990-04-03 |