KOYANAGI YUKIO has a total of 17 patent applications. Its first patent ever was published in 1992. It filed its patents most often in WIPO (World Intellectual Property Organization), Japan and United States. Its main competitors in its focus markets basic communication technologies, computer technology and audio-visual technology are SAKAI YASUE, NEURO SOLUTION CORP and FELDMANN MICHEL.
# | Country | Total Patents | |
---|---|---|---|
#1 | WIPO (World Intellectual Property Organization) | 10 | |
#2 | Japan | 3 | |
#3 | United States | 3 | |
#4 | EPO (European Patent Office) | 1 |
# | Industry | |
---|---|---|
#1 | Basic communication technologies | |
#2 | Computer technology | |
#3 | Audio-visual technology |
# | Technology | |
---|---|---|
#1 | Resonators | |
#2 | Code conversion | |
#3 | Electric digital data processing | |
#4 | Image data processing | |
#5 | Amplification control | |
#6 | Television | |
#7 | Special information storage | |
#8 | Display controls | |
#9 | Speech analysis |
# | Name | Total Patents |
---|---|---|
#1 | Koyanagi Yukio | 17 |
#2 | Toraichi Kazuo | 1 |
Publication | Filing date | Title |
---|---|---|
WO03058814A1 | Digital filter designing method and designing apparatus, digital filter designing program, and digital filter | |
EP1427104A1 | Sound quality adjusting device and filter device used therefor, sound quality adjusting method, and filter designing method | |
US7085799B2 | Analog filter suitable for smoothing a ΔΣ-modulated signal | |
WO02071619A1 | Digital-analog converter and converting method, data interpolator | |
JPH0750823A | Underwater television camera system for checking inside of pipe | |
JPH0746458A | Television camera device | |
JPH06152609A | Information transmission system |