Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11242620 | Polycrystalline silicon rod and method for producing polycrystalline silicon rod | Naruhiro Hoshino, Tetsuro Okada, Shigeyoshi Netsu, Masahiko Ishida | 2022-02-08 |
| 11230796 | Resin material, vinyl bag, polycrystalline silicon rod, polycrystalline silicon mass | Shigeyoshi Netsu, Kazunori Watanabe | 2022-01-25 |
| 11167994 | Polycrystalline silicon rod, processing method for polycrystalline silicon rod, method for evaluating polycrystalline silicon rod, and method for producing FZ single crystal silicon | Shigeyoshi Netsu, Junichi Okada | 2021-11-09 |
| 10914021 | Polycrystalline silicon rod and method for producing single crystal silicon | Masahiko Ishida, Naruhiro Hoshino, Shigeyoshi Netsu | 2021-02-09 |
| 10865498 | Polycrystalline silicon rod, method for producing polycrystalline silicon rod, and single-crystalline silicon | Shigeyoshi Netsu, Tetsuro Okada | 2020-12-15 |
| 10800659 | Polycrystalline silicon rod, processing method for polycrystalline silicon rod, method for evaluating polycrystalline silicon rod, and method for producing FZ single crystal silicon | Shigeyoshi Netsu, Junichi Okada | 2020-10-13 |
| 10760180 | Polycrystalline silicon ingot, polycrystalline silicon bar, and method for producing single crystal silicon | Shigeyoshi Netsu, Naruhiro Hoshino, Tetsuro Okada | 2020-09-01 |
| 10377636 | Method for producing polycrystalline silicon rod, polycrystalline silicon rod, and polycrystalline silicon mass | Junichi Okada, Shigeyoshi Netsu | 2019-08-13 |
| 10343922 | Polycrystalline silicon rod, production method therefor, and FZ silicon single crystal | Shigeyoshi Netsu | 2019-07-09 |
| 10266964 | Storage bag for polycrystalline silicon ingot, method for packing polycrystalline silicon ingot, and method for producing CZ silicon single crystal | Junichi Okada | 2019-04-23 |
| 10066320 | Polycrystalline silicon, FZ single crystal silicon, and method for producing the same | Shigeyoshi Netsu | 2018-09-04 |
| 9605356 | Method for selecting polycrystalline silicon rod, and method for producing single crystalline silicon | Junichi Okada, Shigeyoshi Netsu | 2017-03-28 |
| 9355918 | Method for producing high-purity polycrystalline silicon | Kazunori Funazaki, Kazuomi Sato | 2016-05-31 |
| 9328429 | Method for evaluating degree of crystal orientation in polycrystalline silicon, selection method for polycrystalline silicon rods, and production method for single crystal silicon | Junichi Okada, Shigeyoshi Netsu | 2016-05-03 |
| 9274069 | Method for evaluating degree of crystalline orientation of polycrystalline silicon, method for selecting polycrystalline silicon rod, polycrystalline silicon rod, polycrystalline silicon ingot, and method for manufacturing monocrystalline silicon | Junichi Okada, Shigeyoshi Netsu | 2016-03-01 |
| 5483918 | Method for producing single-crystal silicon by chemical vapor deposition and method for fractional determination of ultratrace elements present in chlorosilanes as starting materials and single-crystal silicon produced | Yoji Kobayashi, Yasuhide Nishina | 1996-01-16 |