| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 25 | |
| #2 | Canada | 11 | |
| #3 | Austria | 5 | |
| #4 | Spain | 5 | |
| #5 | United Kingdom | 4 | |
| #6 | Mexico | 4 | |
| #7 | Australia | 3 | |
| #8 | China | 3 | |
| #9 | Argentina | 2 | |
| #10 | Germany | 2 | |
| #11 | EPO (European Patent Office) | 2 | |
| #12 | Belgium | 1 | |
| #13 | Brazil | 1 | |
| #14 | Czechoslovakia | 1 | |
| #15 | German Democratic Republic | 1 | |
| #16 | Hong Kong | 1 | |
| #17 | Indonesia | 1 | |
| #18 | Italy | 1 | |
| #19 | Japan | 1 | |
| #20 | Republic of Korea | 1 | |
| #21 | Turkey | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Special information storage | |
| #2 | Advertising | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dennis James T | 58 |
| #2 | Kolomayets George | 26 |
| #3 | Dennis J T | 1 |
| #4 | Kolomayets G | 1 |
| #5 | T Dennis James | 1 |
| #6 | Jieemusu Tei Denisu | 1 |
| #7 | Us James T Dennis | 1 |
| #8 | Jiyooji Koromaitsutsu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5291465A | Automatic changer for digital discs | |
| US4788676A | Record player | |
| US4734902A | Record player | |
| US4559623A | 45 RPM Automatic play adaptor | |
| US4435800A | Automatic record player | |
| AU7466081A | Record changer tape arm combination | |
| AU7465981A | Automatic record changer spindle improvement | |
| CA1119532A | Automatic record player | |
| CA1119531A | Automatic record player | |
| CA1119530A | Automatic record player | |
| CA1119529A | Automatic record changer | |
| CA1119533A | Automatic record player | |
| US4352177A | Automatic record player | |
| US4346465A | Automatic record player | |
| US4340958A | Automatic record changer | |
| US4376305A | Automatic record player | |
| US4291886A | Automatic record changer | |
| GB2022308A | Automatic record changer | |
| KR840000183B1 | Automatic recoard changer | |
| GB1602953A | Automatic record changer |