Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8518352 | Apparatus and method for producing polycrystalline silicon having a reduced amount of boron compounds by venting the system with an inert gas | Takeshi Kamei | 2013-08-27 |
| 8444800 | Apparatus and method of manufacturing silicon seed rod | Akimichi Nagaura | 2013-05-21 |
| 8226920 | Apparatus and method for producing polycrystalline silicon having a reduced amount of boron compounds by venting the system with an inert gas | Takeshi Kamei | 2012-07-24 |
| 7455731 | Polycrystalline silicon rod and method for processing the same | Yukio Yamaguchi, Teruhisa Kitagawa, Rikito Sato, Naoki Hatakeyama | 2008-11-25 |
| 7060355 | Polycrystalline silicon rod and method of processing the same | Yukio Yamaguchi, Teruhisa Kitagawa, Rikito Sato, Naoki Hatakeyama | 2006-06-13 |
| 5192903 | Equipment for transporting a load | Hiroaki Kita, Koichi Murata | 1993-03-09 |
| 5164648 | Equipment for transporting a load | Hiroaki Kita, Koichi Murata | 1992-11-17 |
| 5134353 | Equipment for transporting a load | Hiroaki Kita, Koichi Murata | 1992-07-28 |
| 5114083 | Method and appatatus for pulverizing material | Iwao Ikebuchi, Yoshitaka Ihara, Hisashi Takei, Syozo Yamada, Akira Ganse | 1992-05-19 |
| 4955357 | Method and apparatus for cutting polycrystalline silicon rods | Masakatsu Takeguchi, Takashi Yamamoto | 1990-09-11 |
| 4872973 | Cyclone classifier | Iwao Ikebuchi, Kazuo Fuse, Akira Ganze | 1989-10-10 |
| 4754934 | Vertical grinding mill | Iwao Ikebuchi | 1988-07-05 |