| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 10 | |
| #2 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones |
| # | Name | Total Patents |
|---|---|---|
| #1 | Oda Toshio | 11 |
| Publication | Filing date | Title |
|---|---|---|
| JP2020202547A | earphone | |
| JP2018107807A | earphone | |
| JP2019004444A | earphone | |
| JP2016158227A | Earphone | |
| JP2016140048A | Silicone chip with holder improved from inner type earphone to canal type earphone | |
| JP2016127580A | Silicon chip for earphone with holder | |
| JP2009254755A | Instrument for displaying alcohol component and carbon dioxide component in air in car interior and in exhalation outward of car | |
| JP2001269107A | Method for spraying chemical under floor of building | |
| JPH09297525A | Paper cutouts | |
| JPS62163857A | Seedling culture box porter |