Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12270890 | Object detection method, object detection device, and object detection system | Tomoki Murakami, Masashi IWABUCHI, Tomoaki OGAWA | 2025-04-08 |
| 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, Junichi IWATANI +1 more | 2024-08-06 |
| 11985529 | Wireless LAN communication system, access point communication quality determination method, and information collection server | Masayoshi Nabeshima, Hiroyuki Nakamura, Tomoaki OGAWA, 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, Hiroshi Sakamoto +1 more | 2024-05-14 |
| 11889329 | Radio performance measurement system, radio performance measurement method, radio performance measurement device, and radio performance measurement program | Tomoaki OGAWA, Makoto Umeuchi, Junichi IWATANI, Hiroshi Sakamoto, Masayoshi Nabeshima +1 more | 2024-01-30 |
| 11838087 | Antenna placement method and antenna selection method | Tomoki Murakami, Takafumi Hayashi, Yasushi Takatori | 2023-12-05 |
| 11812292 | Wireless LAN communication quality estimation method, wireless LAN communication quality estimation system, information collection device, and wireless LAN communication quality estimation device | Masayoshi Nabeshima, Tomoaki OGAWA, Hiroshi Sakamoto, Makoto Umeuchi, Junichi IWATANI +1 more | 2023-11-07 |
| 11732311 | Tm mapping method | Hideki Niimi, Isao Kitajima | 2023-08-22 |
| 11595935 | Radio information collection method and radio information collection system | Tomoaki OGAWA, Hiroyuki Nakamura, Makoto Umeuchi, Junichi IWATANI, Hiroshi Sakamoto +1 more | 2023-02-28 |
| 8989219 | Wireless packet communication method | Kengo Nagata, Tomoaki Kumagai, Kazuyoshi Saito, Satoru Aikawa, Akinori Hirukawa +1 more | 2015-03-24 |
| 8989108 | Wireless packet communication method and wireless packet communication apparatus | Kengo Nagata, Tomoaki Kumagai, Kazuyoshi Saito, Satoru Aikawa, Atsushi Ohta +1 more | 2015-03-24 |
| 7974243 | Wireless packet communication method and wireless packet communication apparatus | Kengo Nagata, Tomoaki Kumagai, Kazuyoshi Saito, Satoru Aikawa, Atsushi Ohta +1 more | 2011-07-05 |
| 7953115 | Wireless packet communication method | Kengo Nataga, Tomoaki Kumagai, Kazuyoshi Saito, Satoru Aikawa, Akinori Hirukawa +1 more | 2011-05-31 |
| 7813317 | Wireless packet communication method and wireless packet communication apparatus | Kengo Nagata, Tomoaki Kumagai, Kazuyoshi Saito, Satoru Aikawa, Atsushi Ohta +2 more | 2010-10-12 |
| 7760686 | Wireless packet communication method and wireless packet communication apparatus | Kazuyoshi Saito, Tomoaki Kumagai, Kengo Nagata, Satoru Aikawa | 2010-07-20 |
| 7668143 | Wireless packet communication method and apparatus | Kengo Nagata, Tomoaki Kumagai, Kazuyoshi Saito, Satoru Aikawa | 2010-02-23 |
| 7545781 | Wireless packet communication method and wireless packet communication apparatus | Tomoaki Kumagai, Kengo Nagata, Kazuyoshi Saito, Satoru Aikawa, Yasuhiko Inoue | 2009-06-09 |
| 7400616 | Wireless packet communication method and wireless packet communication apparatus | Kazuyoshi Saito, Tomoaki Kumagai, Kengo Nagata, Satoru Aikawa, Atsushi Ohta +1 more | 2008-07-15 |
| 7280551 | Wireless packet communication method and wireless packet communication apparatus | Kengo Nagata, Tomoaki Kumagai, Kazuyoshi Saito, Satoru Aikawa | 2007-10-09 |
| 6248995 | Confocal microscopic equipment | Takeo Tanaami, Yasuhito Kosugi, Nobuhiro Tomosada | 2001-06-19 |
| 6185035 | Optical microscope | Takeo Tanaami | 2001-02-06 |
| 5615181 | Optical read/write head with low angle beam splitter and coplanar detectors | Hayami Hosokawa, Tatsuo Ohgaki, Kouhei Tomita, Hironobu Kiyomoto, Naru Yasuda | 1997-03-25 |
| 5444677 | Optical read/write head low angle beamsplitter and coplanar detectors | Hayami Hosokawa, Tatsuo Ohgaki, Kouhei Tomita, Hironobu Kiyomoto, Naru Yasuda | 1995-08-22 |