Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11208703 | Nickel-containing steel for low temperature service and low-temperature tank | Takayuki Kagaya | 2021-12-28 |
| 11203804 | Nickel-containing steel plate for use at low temperature and tank for use at low temperature using the same | Takayuki Kagaya | 2021-12-21 |
| 8953645 | Communication system, communication apparatus and time synchronization method | Kenji KITAYAMA | 2015-02-10 |
| 8655909 | Communication apparatus and address learning method | Ryuichi Kitaichi, Kenji KITAYAMA | 2014-02-18 |
| 5831973 | Multicast connection control method and apparatus | Tetsuya Yokotani, Tatsuki Ichihashi, Kazunori KOTAKA, Keiichi Soda, Koichi Hiramatsu +1 more | 1998-11-03 |
| 5793767 | ATM communication device and ATM communication network system with terminal devices having uniquely assigned virtual channel identifiers | Keiichi Soda, Tatsuki Ichihashi, Yukio Ushisako, Tetsuya Yokotani, Koichi Hiramatsu +1 more | 1998-08-11 |
| 5654965 | ATM communication network system with common system information storage | Toshiyuki Takahashi, Tatsuki Ichihashi, Tetsuya Yokotani, Keiichi Soda | 1997-08-05 |