Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831920 | Memory vacancy management apparatus and line interface unit | — | 2004-12-14 |
| 6826192 | Interface apparatus | Akira Shimamura, Makoto Adachi, Yoshiyuki Tokoi, Hirotoshi Mori, Hajime Yamashita | 2004-11-30 |
| 6724760 | ATM switch | — | 2004-04-20 |
| 6333932 | Connectionless communications system, its test method, and intra-station control system | Yasusi Kobayasi, Yoshihiro Watanabe, Hiroshi Nishida, Masami Murayama, Naoyuki Izawa +24 more | 2001-12-25 |
| 5930477 | Header converting method | — | 1999-07-27 |
| 5875177 | Path test system for ATM switch | Shiro Uriu, Shuji Yoshimura | 1999-02-23 |
| 5787075 | Switched multi-megabit digital service switching apparatus | — | 1998-07-28 |
| 5774675 | Header converting method | — | 1998-06-30 |
| 5553068 | ATM cell broadcasting system | Yasuhiro Aso, Atsuhisa Takahashi, Satoshi Kakuma | 1996-09-03 |
| 5448720 | Information processing system for obtaining status data of a simplex system by a standby system of a duplex system | Shiro Uriu, Shuji Yoshimura | 1995-09-05 |
| 5444658 | Elastic store memory circuit | Naoyuki Izawa, Yasuhiro Aso, Satoshi Kakuma | 1995-08-22 |
| 5313453 | Apparatus for testing ATM channels | Satoshi Kakuma, Naoyuki Izawa, Yasuhiro Aso, Shuji Yoshimura, Masami Murayama | 1994-05-17 |
| 5301184 | Control system for switching duplicated switch units in ATM exchange | Shiro Uriu, Satoshi Kakuma | 1994-04-05 |
| 5299209 | Apparatus and method for detecting fault in ATM switch | Masami Murayama, Yasuhiro Aso | 1994-03-29 |
| 5274633 | Switching system for ATM dual switch system | Yumiko Kato, Satoshi Kakuma, Yasuhiro Aso, Hiroshi Miyake | 1993-12-28 |
| 5239539 | Controller for distributing loads among call processors | Satoshi Kakuma, Shuji Yoshimura, Yasuhiro Aso, Masami Murayama | 1993-08-24 |
| 5191577 | Switch stage number setting apparatus for MSSR channels | Shurji Yoshimura, Yasuhiro Aso, Masami Murayama | 1993-03-02 |
| 5153578 | Apparatus and method for establishing identical data in dual ATM switches | Naoyuki Izawa, Masami Murayama, Yasuhiro Aso | 1992-10-06 |
| 5070498 | Call control system in ATM switch | Satoshi Kakuma, Atsuhisa Takahashi | 1991-12-03 |
| 4699883 | Process for producing N-acylneuraminate aldolase | Tsunetake Sugimori, Yoji Tsukada, Yasuhiro Ohta | 1987-10-13 |
| 4524067 | Soybean saponins, and a method of isolating the same | Shigeru Arichi | 1985-06-18 |
| 4352796 | Pharmaceutically active plant extract and composition thereof | Shigeru Arichi | 1982-10-05 |
| 4339442 | Gynosaponins, their use and a process for preparing the same | Tsunematsu Takemoto, Shigeru Arichi, Shigenobu Arihara, Tadashi Nakajima, Megumi Okuhira | 1982-07-13 |
| 4317816 | Saponin containing composition effective against adrenal atrophy | Shigeru Arichi | 1982-03-02 |