Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11649530 | Al—Si—Mg aluminum alloy | Katsumi Fukaya, Hiroshi Horikawa, Yutaro Kitaki, Makoto Otsuka, Naoaki Yamamoto | 2023-05-16 |
| 11542580 | Method for manufacturing Al—Si—Mg aluminum alloy cast material | Katsumi Fukaya, Hiroshi Horikawa, Yutaro Kitaki, Makato Otsuka, Naoaki Yamamoto | 2023-01-03 |
| 6991149 | Surface treatment method, surface treatment apparatus, member subjected to surface treatment, and intermediate member to be subjected to surface treatment | Hiroaki Kusunoki, Koji Tomiya | 2006-01-31 |
| 4975715 | Thermal printer having image editing function | Masao Saito | 1990-12-04 |
| 4975720 | Exposure device and images forming apparatus provided with the exposure device | Masao Saito | 1990-12-04 |