Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6741044 | Lamp lighting controlling apparatus and light emitting apparatus | Hirotoshi Sugimoto | 2004-05-25 |
| 6657212 | Electron beam measurement method and electron beam irradiation processing device | Masanoru Yamaguchi | 2003-12-02 |
| 6087071 | Process for increasing thermostability of a resist through electron beam exposure | — | 2000-07-11 |
| 4719755 | Stirling engine | Shigemi Nagatomo, Tsutomu Sakuma, Noboru Kagawa, Takashi Komakine, Toshinori Iwasaki +1 more | 1988-01-19 |
| 4666398 | Space heater | Katsuyoshi Kumazawa | 1987-05-19 |
| 4626197 | Space heater | Katsuyoshi Kumazawa, Toshio Ohtsuki | 1986-12-02 |
| 4414139 | Catalyst carriers for purification of waste gas and process for preparing the same | Takashi Matsuzaka, Toshio Ohtsuki, Tsutomu Sakuma | 1983-11-08 |