CHINA HIROSHI has a total of 12 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 1987. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets audio-visual technology are KWANGWON TECH CO LTD, MAGNEPAN INC and ADRIAN FRANCIS SYKES.
# | Country | Total Patents | |
---|---|---|---|
#1 | Japan | 9 | |
#2 | WIPO (World Intellectual Property Organization) | 2 | |
#3 | EPO (European Patent Office) | 1 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology |
# | Technology | |
---|---|---|
#1 | Loudspeakers and microphones | |
#2 | Special information storage |
# | Name | Total Patents |
---|---|---|
#1 | China Hiroshi | 12 |
Publication | Filing date | Title |
---|---|---|
JP2019161273A | speaker | |
JP2019080254A | Speaker with light-emitting function | |
WO2017057712A1 | Vibration prevention device for audio equipment | |
JP2005260627A | Speaker | |
JP2004072140A | Omnidirectional back load horn speaker | |
JP2003134588A | Omnidirectional speaker | |
JP2002010383A | Omni-directional back load horn speaker | |
JP2001346284A | Loudspeaker | |
JPH07143589A | Method for eliminating sound distortion of speaker | |
JPS63295069A | Method and instrument for welding electronic parts |