Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404172 | Hydrogen chloride dehydration method | Shoji Iiyama | 2025-09-02 |
| 12338548 | Protective structure for silicon rod and method for manufacturing silicon rod | Kazuhiro Kawaguchi | 2025-06-24 |
| 12275642 | Silicon core wire for depositing polycrystalline silicon and production method therefor | Seiji Katou, Makoto Kamada, Miki Emoto | 2025-04-15 |
| 12162763 | Method for producing purified chlorosilanes | Shoji Iiyama | 2024-12-10 |
| 11998955 | Etching device for silicon core wire and etching method for silicon core wire | Takuya YOKOSE | 2024-06-04 |
| 11958723 | Unloading jig, unloading method, and method for producing silicon rod | Kazuhiro Kawaguchi | 2024-04-16 |
| 11348902 | Semiconductor module, power conversion device, and movable body | — | 2022-05-31 |
| 11251104 | Semiconductor device | — | 2022-02-15 |
| 11091371 | Boron structure and boron powder of high purity | Tomohiro Yamamato, YUUKI YOSHIOKA, Shouji Fujii | 2021-08-17 |
| 10848049 | Main conversion circuit, power conversion device, and moving body | — | 2020-11-24 |
| 5807394 | Surgical instrument | Heiji Yoshinaka, Masaru Ohyama, Kenji Sumiya, Takashi Nemoto | 1998-09-15 |