| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 12 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Electrical machinery and energy | |
| #3 | Semiconductors |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones | |
| #2 | Casings and printed circuits | |
| #3 | Cables and insulators | |
| #4 | Semiconductor devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Yui Hiroyuki | 12 |
| #2 | Imamura Haruhiko | 5 |
| #3 | Sato Yasuo | 3 |
| #4 | Kosaka Kunio | 3 |
| #5 | Hikosaka Akihiro | 3 |
| #6 | Shimamura Kaoru | 3 |
| #7 | Kobayashi Yutaka | 3 |
| #8 | Ohira Tatsuhiro | 2 |
| #9 | Babe Hisami | 1 |
| #10 | Mori Koichi | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2008042947A | Speaker system | |
| JP2006203496A | Speaker system | |
| JP2004242150A | Speaker system | |
| JP2002016444A | Audio amplifier | |
| JP2001224089A | Loudspeaker system | |
| JP2001216850A | Wiring cable for audio unit | |
| JP2001119247A | Amplification device | |
| JP2001078285A | Loudspeaker device | |
| JPH11289588A | Loud speaker | |
| JPH11145738A | Audio amplifier | |
| JPH11146471A | Speaker | |
| JPH11146472A | Speaker |