Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8519013 | Method for producing formic acid | Nobuyuki Matsubayashi, Yoshiro Yasaka | 2013-08-27 |
| 8449862 | Method for producing hydrogen | Nobuyuki Matsubayashi, Yoshiro Yasaka | 2013-05-28 |
| 7345484 | NMR probe for high-temperature measurements | Nobuyuki Matsubayashi, Chihiro Wakai, Takeyoshi Ikeda | 2008-03-18 |
| 6011764 | Optical disk and optical disk apparatus | Satoshi Itami, Masahiro Nakada, Hiroshi Suzuki, Kenichi Utsumi | 2000-01-04 |
| 5982886 | Unauthorized use preventing method for optical disks, optical disk having unauthorized use prevention function, and optical disk apparatus | Satoshi Itami, Kenichi Utsumi, Masahiro Nakada, Hiroshi Suzuki, Kazunori Naito +2 more | 1999-11-09 |
| 5875247 | System for decrypting encrypted software | Kazuo Nakashima, Satoshi Itami, Kenichi Utsumi | 1999-02-23 |
| 5777965 | Optical disk having an erased-state indicator and optical disk apparatus for reducing frequency of disk-erasing operations | Satoshi Itami, Masahiro Nakada, Hiroshi Suzuki, Kenichi Utsumi | 1998-07-07 |
| 5752009 | Recording medium for electronic publications including multiple format emulation | Kazuo Nakashima, Kenichi Utsumi | 1998-05-12 |
| 5733984 | Process for the preparation of a deuterated compound | Heiji Enomoto, Atsushi Kishita, Kenji Tsuda, Toshinari Tennoh, Emi Fujita | 1998-03-31 |
| 5617393 | Optical disk having an erased-state indicator and optical disk apparatus for reducing frequency of disk erasing operation | Satoshi Itami, Masahiro Nakada, Hiroshi Suzuki, Kenichi Utsumi | 1997-04-01 |
| 5418852 | Unauthorized use prevention method for optical disks, optical disk having unauthorized use prevention function, and optical disk apparatus | Satoshi Itami, Kenichi Utsumi, Masahiro Nakada, Hiroshi Suzuki, Kazunori Naito +2 more | 1995-05-23 |
| 5357431 | Character string retrieval system using index and unit for making the index | Masahiro Nakada, Kenichi Utsumi, Takashi Tsubokura, Satoshi Itami, Hiroshi Suzuki +2 more | 1994-10-18 |