| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 7 | |
| #2 | Republic of Korea | 2 | |
| #3 | China | 1 | |
| #4 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Electrical machinery and energy | |
| #3 | Telecommunications | |
| #4 | Computer technology | |
| #5 | Semiconductors | |
| #6 | Mechanical elements | |
| #7 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones | |
| #2 | Semiconductor devices | |
| #3 | Electric digital data processing | |
| #4 | Magnets and transformers | |
| #5 | Telephonic communication | |
| #6 | Frames | |
| #7 | Cycle accessories |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sekiguchi Shigetomo | 7 |
| #2 | Shinozuka Nobumasa | 4 |
| #3 | Onuma Yu | 2 |
| #4 | Hong Tae Won | 2 |
| #5 | Masashige Sekiguchi | 1 |
| #6 | Kitatsume Takashi | 1 |
| #7 | Hong Taewon | 1 |
| #8 | Junzo Hiroshino | 1 |
| #9 | Koyama Hiroki | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2020031372A | Electroacoustic transducer | |
| JP2018160944A | Canal-type earphone | |
| JP2019114993A | Canal type earphone and adapter of canal type earphone | |
| JP2019103012A | Seal type earphone | |
| KR20190054401A | Self generating device | |
| JP2019024178A | Sealing type earphone | |
| JP2018148287A | Canal-type earphone | |
| KR20180060460A | self camera stick with attaching bicycle | |
| WO2017007069A1 | Cell phone cradle mounted on steering wheel of vehicle | |
| JP2016021608A | Canal-type earphone |