Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12058078 | Interference area detection method for wireless communication system, interference area detection system, interference area detection device, and interference area detection program | Hiroshi Sakamoto, Hiroyuki Nakamura, Tomoaki OGAWA, Makoto Umeuchi, Shinya Otsuki +1 more | 2024-08-06 |
| 11985529 | Wireless LAN communication system, access point communication quality determination method, and information collection server | Hiroyuki Nakamura, Tomoaki OGAWA, Shinya Otsuki, Makoto Umeuchi, Junichi IWATANI +1 more | 2024-05-14 |
| 11985533 | Wireless communication system, aggregation device, interference source air time acquisition method, and interference source air time acquisition program | Junichi IWATANI, Hiroyuki Nakamura, Tomoaki OGAWA, Makoto Umeuchi, Shinya Otsuki +1 more | 2024-05-14 |
| 11889329 | Radio performance measurement system, radio performance measurement method, radio performance measurement device, and radio performance measurement program | Shinya Otsuki, Tomoaki OGAWA, Makoto Umeuchi, Junichi IWATANI, Hiroshi Sakamoto +1 more | 2024-01-30 |
| 11812292 | Wireless LAN communication quality estimation method, wireless LAN communication quality estimation system, information collection device, and wireless LAN communication quality estimation device | Shinya Otsuki, Tomoaki OGAWA, Hiroshi Sakamoto, Makoto Umeuchi, Junichi IWATANI +1 more | 2023-11-07 |
| 11595935 | Radio information collection method and radio information collection system | Tomoaki OGAWA, Hiroyuki Nakamura, Shinya Otsuki, Makoto Umeuchi, Junichi IWATANI +1 more | 2023-02-28 |
| 7474664 | ATM switch for ensuring cell sequence | Seisho Yasukawa, Naoki Takaya, Eiji Oki, Naoaki Yamanaka | 2009-01-06 |
| 7339935 | ATM switch for distributing cells to avoid blocking in the ATM switch | Seisho Yasukawa, Naoki Takaya, Eiji Oki, Naoaki Yamanaka | 2008-03-04 |
| 7292576 | ATM switch having output buffers | Seisho Yasukawa, Naoki Takaya, Eiji Oki, Naoaki Yamanaka | 2007-11-06 |
| 7136391 | ATM switch | Seisho Yasukawa, Naoki Takaya, Eiji Oki, Naoaki Yamanaka | 2006-11-14 |