Issued Patents All Time
Showing 76–92 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7360620 | Engine mounting structure of low floor type vehicle | Hideki Hayashi | 2008-04-22 |
| 7065788 | Encryption operating apparatus and method having side-channel attack resistance | Jun Yajima, Kouichi Itoh, Naoya Torii | 2006-06-20 |
| 7044253 | Exhaust pipe structure of vehicle with low floor | Yoichi Inayama | 2006-05-16 |
| 6956951 | Extended key preparing apparatus, extended key preparing method, recording medium and computer program | Takeshi Shimoyama, Koichi Ito, Naoya Torii, Jun Yajima, Hitoshi Yanami +1 more | 2005-10-18 |
| 6829592 | Data protection system, data preparation device, and data working device | Takayuki Hasebe, Naoya Torii, Souichi Okada, Yuji Kijima | 2004-12-07 |
| 6415310 | Remainder calculating method, modular-multiplication method, remainder calculating apparatus, modular-multiplication apparatus and recording medium | Naoya Torii | 2002-07-02 |
| 6385726 | Software license protection via cryptography | Takayuki Hasebe, Naoya Torii | 2002-05-07 |
| 6330332 | Prime number generation apparatus B-smoothness judgement apparatus and computer memory product | Koichi Itoh, Kazuhiro Yokoyama, Naoya Torii | 2001-12-11 |
| 5953416 | Data processing apparatus | Takayuki Hasebe, Naoya Torii | 1999-09-14 |
| 5917908 | File protection system, software utilization system using the file protection system and storage medium used in the software utilization system | Takayuki Hasebe, Naoya Torii, Noboru Iwayama | 1999-06-29 |
| 5838791 | Encoder and decoder | Naoya Torii, Noboru Iwayama, Takayuki Hasebe, Masahiro Matsuda | 1998-11-17 |
| 5832083 | Method and device for utilizing data content | Noboru Iwayama, Naoya Torii, Takayuki Hasebe, Masahiro Matsuda | 1998-11-03 |
| 5761651 | Software charging system and software data utilization permitting device | Takayuki Hasebe, Naoya Torii, Noboru Iwayama, Masahiro Matsuda | 1998-06-02 |
| 5621794 | Moving-picture encipherment method and system, and enciphered moving-picture decipherment method and system | Masahiro Matsuda, Naoya Torii, Takayuki Hasebe, Noboru Iwayama | 1997-04-15 |
| 5499299 | Modular arithmetic operation system | Naoya Torii, Takayuki Hasebe, Ryota Akiyama | 1996-03-12 |
| 4531255 | Window washer for a light vehicle | Akio Yagasaki | 1985-07-30 |
| 4522442 | Trunk storage system for small vehicles | — | 1985-06-11 |