Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7551612 | Intra-station control system for connectionless communications system | Yasusi Kobayashi, Yoshihiro Watanabe, Hiroshi Nishida, Masami Murayama, Yasuhiro Aso +24 more | 2009-06-23 |
| 6477141 | Communication path quality monitoring method and quality monitoring apparatus | Hiroya Kawasaki, Masaki Kira, Noriko Samejima | 2002-11-05 |
| 6333932 | Connectionless communications system, its test method, and intra-station control system | Yasusi Kobayasi, Yoshihiro Watanabe, Hiroshi Nishida, Masami Murayama, Yasuhiro Aso +24 more | 2001-12-25 |
| 5796734 | Simultaneously-occuring message control device in a communications system where a message is transmitted using a plurality of data units | Masami Murayama | 1998-08-18 |
| 5784274 | System and method for monitoring errors occurring in data processed by a duplexed communication apparatus | Masami Murayama | 1998-07-21 |
| 5521924 | Telephone subscriber accomodation system in a broadband network | Satoshi Kakuma, Shuji Yoshimura | 1996-05-28 |
| 5444658 | Elastic store memory circuit | Yasuhiro Aso, Yoshihiro Uchida, Satoshi Kakuma | 1995-08-22 |
| 5313453 | Apparatus for testing ATM channels | Yoshihiro Uchida, Satoshi Kakuma, Yasuhiro Aso, Shuji Yoshimura, Masami Murayama | 1994-05-17 |
| 5295134 | In-service activator for a broadband exchanger | Shuji Yoshimura, Satoshi Kakuma, Shiro Uriu | 1994-03-15 |
| 5251204 | Transmission test system in a broadband | Shuji Yoshimura, Satoshi Kakuma | 1993-10-05 |
| 5153578 | Apparatus and method for establishing identical data in dual ATM switches | Yoshihiro Uchida, Masami Murayama, Yasuhiro Aso | 1992-10-06 |