Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12078941 | Toner container, image forming apparatus, and shutter unit | Gen Kitamura, Seiji Terazawa | 2024-09-03 |
| 5318743 | Processes for producing a thermoelectric material and a thermoelectric element | Takeo Tokiai, Kazuyuki Fukumoto, Toshitaka Ohta, Takenobu Kajikawa | 1994-06-07 |
| 5246504 | Thermoelectric material | Toshitaka Ohta, Takenobu Kajikawa, Takeo Tokiai | 1993-09-21 |
| 5108515 | Thermoelectric material and process for production thereof | Toshitaka Ohta, Takenobu Kajikawa, Takeo Tokiai | 1992-04-28 |
| 5069868 | Method for producing thermoelectric elements | Takeo Tokiai | 1991-12-03 |
| 4992235 | Method for producing thermoelectric elements | Takeo Tokiai | 1991-02-12 |