Issued Patents All Time
Showing 151–175 of 196 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6172365 | Electron beam inspection method and apparatus and semiconductor manufacturing method and its manufacturing line utilizing the same | Takashi Hiroi, Maki Tanaka, Masahiro Watanabe, Asahiro Kuni, Yukio Matsuyama +3 more | 2001-01-09 |
| 6134214 | Method for substituting defective recording of discoid recording medium and discoid recording medium recording and reproducing device | Takahiro Nagai, Yoshihisa Fukushima, Shunji Ohara, Isao Satoh | 2000-10-17 |
| 5986263 | Electron beam inspection method and apparatus and semiconductor manufacturing method and its manufacturing line utilizing the same | Takashi Hiroi, Maki Tanaka, Masahiro Watanabe, Asahiro Kuni, Yukio Matsuyama +3 more | 1999-11-16 |
| 5973777 | Method and apparatus for inspecting defects of surface shape | Mineo Nomoto, Takanori Ninomiya | 1999-10-26 |
| 5883878 | Method of manufacturing a multilayered optical disc | Isao Satoh, Yoshihisa Fukushima, Yasushi Azumatani, Hiroshi Hamasaka | 1999-03-16 |
| 5872767 | Optical disk and an optical disk recording/reproduction device having address blocks located on boundary lines between adjoining tracks | Takahiro Nagai, Isao Satoh, Yuji Hisakado, Yoshito Aoki, Shunji Ohara +1 more | 1999-02-16 |
| 5870374 | Multi-layer optical disc having a pair of substrates spaced by an adhesive material | Isao Satoh, Yoshihisa Fukushima, Yasushi Azumatani, Hiroshi Hamasaka | 1999-02-09 |
| 5862112 | Optical disk and an optical disk recording reproduction device | Takahiro Nagai, Isao Satoh, Yuji Hisakado, Yoshito Aoki, Shunji Ohara +1 more | 1999-01-19 |
| 5801965 | Method and system for manufacturing semiconductor devices, and method and system for inspecting semiconductor devices | Hideaki Doi, Makoto Ono | 1998-09-01 |
| 5764620 | Multi-layered optical disk with shifted track and layer identification and method of detecting a track | Isao Satoh, Yoshihisa Fukushima, Yasushi Azumatani, Hiroshi Hamasaka | 1998-06-09 |
| 5566350 | Information device for providing fast data transfer with minimum overhead | Isao Satoh, Yoshihisa Fukushima, Yasushi Azumatani, Hiroshi Hamasaka | 1996-10-15 |
| 5517484 | Optical disk and optical disk recording and reproducing apparatus | Isao Satoh, Motoshi Ito, Yuji Hisakado | 1996-05-14 |
| 5513160 | Optical disc and contamination detection system in an apparatus for recording and reproducing the same | Isao Satoh, Yoshihisa Fukushima, Yasushi Azumatani | 1996-04-30 |
| 5485439 | Method for recording/reproducing information and apparatus therefor | Hiroshi Hamasaka, Isao Satoh, Yoshihisa Fukushima, Yasushi Azumatani | 1996-01-16 |
| 5475668 | Method of producing file management structures, information reproduction apparatus and information reproducing method | Yasushi Azumatani, Isao Satoh, Yoshihisa Fukushima, Hiroshi Hamasaka | 1995-12-12 |
| 5469418 | Optical information write/read device and method for writing data | Isao Satoh, Yuji Hisakado | 1995-11-21 |
| 5457794 | Information retrieval apparatus for searching target literature data from an information recording medium, including reuse of past retrieving results | Yasushi Azumatani, Isao Satoh, Yoshihisa Fukushima, Hiroshi Hamasaka, Yuji Hisakado | 1995-10-10 |
| 5428597 | Multi-layered optical disk with track and layer identification | Isao Satoh, Yoshihisa Fukushima, Yasushi Azumatani, Hiroshi Hamasaka | 1995-06-27 |
| 5406534 | Double-sided recordable optical disk suitable for a substituting process and a method for performing defect management | Yuji Hisakado, Isao Satoh, Motoshi Ito | 1995-04-11 |
| 5388105 | Method of recording/reproducing optical disk data | Isao Satoh, Yuzuru Kuroki | 1995-02-07 |
| 5303225 | Multi-layered optical disk with track and layer identification | Isao Satoh, Yoshihisa Fukushima, Yasushi Azumatani, Hiroshi Hamasaka | 1994-04-12 |
| 5293566 | Information recording and reproducing apparatus | Isao Satoh, Yoshihisa Fukushima, Yasushi Azumatani, Hiroshi Hamasaka | 1994-03-08 |
| 5270877 | Information recording medium and information recording and reproducing apparatus | Yoshihisa Fukushima, Isao Satoh, Yasushi Azumatani, Hiroshi Hamasaka | 1993-12-14 |
| 5253242 | Double-sided optical disc player | Isao Satoh, Yoshihisa Fukushima, Yasushi Azumatani, Hiroshi Hamasaka | 1993-10-12 |
| 5237553 | Data recording and reproducing apparatus having a plurality of operating modes | Yoshihisa Fukushima, Isao Satoh, Yasushi Azumatani, Hiroshi Hamasaka | 1993-08-17 |