Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5848049 | Disc player with parallel objective lenses | Hiroshi Yokota, Ryuichi Naito, Hiroyuki Hirano, Shinichi Naohara, Yoshifumi Tsukada +1 more | 1998-12-08 |
| 5744039 | Composite semipermeable membrane and production method thereof | Hiroki Itoh, Masahiko Hirose | 1998-04-28 |
| 5676757 | Decompression container | Towl Ikeda, Yoji IIZUKA | 1997-10-14 |
| 5677904 | Disc player | Hiroshi Yokota, Ryuichi Naito, Hiroyuki Hirano, Shinichi Naohara, Yoshifumi Tsukada +1 more | 1997-10-14 |
| 5671201 | Pulling-in circuit for PLL circuit, pulling-in method for PLL circuit, PLL circuit device and apparatus for reproducing optical disc | Hiroshi Yokota, Ryuichi Naito, Hiroyuki Hirano, Shinichi Naohara, Yoshifumi Tsukada +1 more | 1997-09-23 |
| 5655871 | Device for transferring plate-like objects | Hisashi Kikuchi | 1997-08-12 |
| 5646921 | Method and apparatus for reproducing information recorded on CLV disc type record medium | Hiroshi Yokota, Ryuichi Naito, Hiroyuki Hirano, Shinichi Naohara, Yoshifumi Tsukada +1 more | 1997-07-08 |
| 5619484 | Pulling-in circuit for PLL circuit, pulling-in method for PLL circuit, PLL circuit device and apparatus for reproducing optical disc | Hiroshi Yokota, Ryuichi Naito, Hiroyuki Hirano, Shinichi Naohara, Yoshifumi Tsukada +1 more | 1997-04-08 |
| 5562387 | Device for transferring plate-like objects | Hisashi Kikuchi | 1996-10-08 |
| 5520142 | Decompression container | Towl Ikeda, Yoji IIZUKA | 1996-05-28 |
| 5468112 | Wafer container and wafer aligning apparatus | Masao Takikawa | 1995-11-21 |
| 5261935 | Clean air apparatus | Takanobu Asano, Masaharu Abe, Kenichi Yamaga, Kazunari Sakata, Takashi Tanahashi +1 more | 1993-11-16 |
| 5236181 | Vertical heat treating apparatus | Takanobu Asano, Masaharu Abe | 1993-08-17 |
| 5236295 | Arm apparatus for conveying semiconductor wafer and processing system using same | Yoshinori Mochizuki | 1993-08-17 |
| 5219464 | Clean air apparatus | Kenichi Yamaga, Kazunari Sakata, Takashi Tanahashi, Syuji Moriya | 1993-06-15 |
| 5183378 | Wafer counter having device for aligning wafers | Takanobu Asano | 1993-02-02 |
| 5181819 | Apparatus for processing semiconductors | Kazunari Sakata, Kenichi Yamaga | 1993-01-26 |
| 5163832 | Vertical heat-treating apparatus | Shingo Watanabe, Mitsuo Kato | 1992-11-17 |
| 5123804 | Horizontal/vertical conversion handling apparatus | Yoshinori Mochizuki | 1992-06-23 |
| D324057 | Instrument for holding boats for thermal treatment of semiconductor wafers | Atsushi Wada | 1992-02-18 |
| D323332 | Handling arm for boats for thermal treatment of semiconductor wafers | Mitsuo Katoh, Shingo Watanabe | 1992-01-21 |
| D323173 | Instrument for transferring boats for thermal treatment of semiconductor wafers | Mitsuo Katoh | 1992-01-14 |
| 5028195 | Horizontal/vertical conversion transporting apparatus | Atsushi Wada | 1991-07-02 |
| 4964115 | Thermal sensing system | Akio Tajima | 1990-10-16 |
| 4955649 | Apparatus for holding plates | Yasushi Sasaki | 1990-09-11 |