HANADA AKITO has a total of 15 patent applications. Its first patent ever was published in 1975. It filed its patents most often in WIPO (World Intellectual Property Organization), Japan and United States. Its main competitors in its focus markets audio-visual technology are WIRELESS MUSIC LTD, KIKUNO KOICHI and MOTOI KATSUO.
# | Country | Total Patents | |
---|---|---|---|
#1 | WIPO (World Intellectual Property Organization) | 5 | |
#2 | Japan | 4 | |
#3 | United States | 2 | |
#4 | Canada | 1 | |
#5 | China | 1 | |
#6 | EPO (European Patent Office) | 1 | |
#7 | Republic of Korea | 1 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology |
# | Technology | |
---|---|---|
#1 | Loudspeakers and microphones | |
#2 | Special information storage |
# | Name | Total Patents |
---|---|---|
#1 | Hanada Akito | 15 |
Publication | Filing date | Title |
---|---|---|
KR20210015928A | Voice coil diaphragm | |
WO2017145284A1 | Electroacoustic transducer | |
WO2008084546A1 | Electro-acoustic converter | |
JP2006339836A | Process for manufacturing acoustic vibration board | |
EP1367854A1 | Electroacoustic converter | |
JPS57170696A | Secondary coil driving type speaker | |
JPS5662500A | Speaker of voice coil current with secondary electromotive force type | |
JPS51126114A | Vertical bias system magnetic recording device |