| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 167 | |
| #2 | Australia | 61 | |
| #3 | United States | 61 | |
| #4 | EPO (European Patent Office) | 39 | |
| #5 | South Africa | 17 | |
| #6 | China | 2 | |
| #7 | United Kingdom | 2 | |
| #8 | Italy | 2 | |
| #9 | Philippines | 2 | |
| #10 | Spain | 1 | |
| #11 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Furniture and games | |
| #3 | Machines | |
| #4 | Electrical machinery and energy | |
| #5 | Audio-visual technology | |
| #6 | Digital networks | |
| #7 | Basic communication technologies | |
| #8 | Measurement | |
| #9 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Coin-freed | |
| #2 | Games | |
| #3 | Money sorting | |
| #4 | Unspecified technologies | |
| #5 | Casings and printed circuits | |
| #6 | Pulse technique | |
| #7 | Digital information transmission | |
| #8 | Electric motor controls | |
| #9 | Special measuring | |
| #10 | Mechanical control devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Okada Kazuo | 218 |
| #2 | Yamamoto Toshio | 37 |
| #3 | Kimura Yutaka | 15 |
| #4 | Shirasawa Masaharu | 15 |
| #5 | Eguchi Norio | 11 |
| #6 | Okada Tomoo | 6 |
| #7 | Ishida Naomi | 6 |
| #8 | Nishikawa Ikuo | 5 |
| #9 | Kazuo Okada | 4 |
| #10 | Kotoyori Yukio | 4 |
| Publication | Filing date | Title |
|---|---|---|
| JP2002145122A | Fender mounting device of vehicle and vehicle provided with the same | |
| JPH05290680A | Key switch device | |
| JPH0568736A | Pinball machine | |
| JPH05166028A | Illicit operation detector for coin selector | |
| JPH05154232A | Pachinko game playing board | |
| AU644228B2 | Coin supply device for coin-operated gaming machine | |
| JPH04371179A | Slot machine | |
| JPH04361766A | Pinball machine | |
| JPH04354961A | Game board for pinball machine | |
| JPH04354959A | Game board for pinball machine | |
| JPH04354960A | Game board for pinball machine | |
| JPH04327877A | Slot machine | |
| JPH04307086A | Slot machine | |
| JPH04297290A | Pinball machine | |
| JPH04330591A | Coin selector | |
| JPH04244178A | Slot machine | |
| JPH04164470A | Slot machine | |
| JPH04161180A | Pinball game machine | |
| JPH04161181A | Pinball game machine | |
| JPH04150884A | Medal casting device |