Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7767328 | Fuel cell optimum operation point tracking system in power supply device using fuel cell and power supply device provided with this fuel cell optimum operation point tracking system | Kimiyoshi Kobayashi, Hideki Fujimoto, Tetsuji Kitamori | 2010-08-03 |
| 6984966 | Switching power supply | Kenichi Kubota, Kenichi Suzuki, Masaki Oshima, Haruo Watanabe, Hiroyuki Haga +4 more | 2006-01-10 |
| 6269359 | Relational data base system and method for rapidly realizing a query to a database | — | 2001-07-31 |
| 5881378 | Device accessing a database using one of old definition information and new definition information based on an access request | Katsumi Hayashi, Kazuhiko Saitou, Hiroshi Ohsato, Masaaki Mitani, Tomohiro Hayashi +3 more | 1999-03-09 |
| 5873088 | Derived data base processing system enabling one program to access a plurality of data basis | Katsumi Hayashi, Kazuhiko Saitou, Hiroshi Ohsato, Masaaki Mitani, Tomohiro Hayashi +3 more | 1999-02-16 |
| 5857195 | Method of developing and modifying self-describing database management system to generate a new database management system from an existing database management system | Katsumi Hayashi, Kazuhiko Saitou, Hiroshi Ohsato, Masaaki Mitani, Tomohiro Hayashi +3 more | 1999-01-05 |
| 5742809 | Database generic composite structure processing system | Katsumi Hayashi, Kazuhiko Saitou, Hiroshi Ohsato, Masaaki Mitani, Tomohiro Hayashi +3 more | 1998-04-21 |
| 5649184 | Symmetric/asymmetric shared processing operation in a tightly coupled multiprocessor | Katsumi Hayashi, Masaaki Mitani, Tomohiro Hayashi, Kazuhiko Saito, Yoshinori Shimogai | 1997-07-15 |
| 5615098 | AC-DC converter | Takuya Ishii, Yoshio Mizutani, Haruo Watanabe, Yoshinori Kobayashi, Satoshi Ikeda | 1997-03-25 |
| 5553303 | Data processing system for dynamically switching access control process and for performing recovery process | Katsumi Hayashi, Kazuhiko Saitou, Hiroshi Ohsato, Masaaki Mitani, Tomohiro Hayashi +3 more | 1996-09-03 |
| 5408652 | Method and apparatus for heterogenous database access by generating different access procedures for different database data structures | Katsumi Hayashi, Kazuhiko Saitou, Hiroshi Ohsato, Masaaki Mitani, Tomohiro Hayashi +3 more | 1995-04-18 |