Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7918934 | Single crystal semiconductor manufacturing apparatus and manufacturing method, and single crystal ingot | Yutaka Shiraishi, Jyunsuke Tomioka, Takuji Okumura, Takehiro Komatsu, Shigeo Morimoto | 2011-04-05 |
| 7727334 | Apparatus for pulling single crystal by CZ method | Hiroshi Inagaki, Shigeki Kawashima, Makoto Kamogawa, Toshirou Kotooka, Toshiaki Saishoji +7 more | 2010-06-01 |
| 7160386 | Single crystal semiconductor manufacturing apparatus and manufacturing method, and single crystal ingot | Yutaka Shiraishi, Jyunsuke Tomioka, Takuji Okumura, Takehiro Komatsu, Shigeo Morimoto | 2007-01-09 |
| 6994748 | Method and apparatus for measuring melt level | Masato Moriya, Hiroshi Monden, Toshio Hayashida, Toshirou Kotooka | 2006-02-07 |
| 6977010 | Apparatus for pulling single crystal by CZ method | Hiroshi Inagaki, Shigeki Kawashima, Makoto Kamogawa, Toshirou Kotooka, Toshiaki Saishoji +7 more | 2005-12-20 |
| 6572699 | Method and apparatus for detecting melt level | Masato Moriya, Kazuhiro Mimura, Toshirou Kotooka | 2003-06-03 |
| 6458203 | System for manufacturing a single-crystal ingot employing czochralski technique, and method of controlling the system | Shigeo Morimoto, Masato Moriya, Toshirou Kotooka | 2002-10-01 |
| 6347521 | Temperature control device and method for manufacturing the same | Kanichi Kadotani, Makio Tsubota, Hironori Akiba | 2002-02-19 |
| 5478170 | Controlling apparatus for excavator | Yutaka Kato, Norio Takahashi | 1995-12-26 |
| 5356259 | Apparatus for controlling hydraulic cylinders of a power shovel | Shinji Takasugi | 1994-10-18 |
| 5312163 | System for aiding operation of excavating type underground advancing machine | Norio Takahashi | 1994-05-17 |
| 5186579 | Apparatus for controlling direction of underground excavator | Norio Takahashi | 1993-02-16 |
| 5178510 | Apparatus for controlling the hydraulic cylinder of a power shovel | Shinji Takasugi | 1993-01-12 |
| 5116186 | Apparatus for controlling hydraulic cylinders of a power shovel | Shinji Takasugi | 1992-05-26 |