Tenyo Co., Ltd.
26Patents
1Active
26Granted
30Portfolio score
Filing activity: Jun 4, 1984 → Oct 19, 2007 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4967953A | Partitioned box with light reflective partition surface and window | Human Necessities | 11 | Expired |
| US5577728A | Jigsaw puzzle | Human Necessities | 9 | Expired |
| USD388584S | Savings box with coin spinner | General | 8 | Expired |
| US5282765A | Savings box | Human Necessities | 7 | Expired |
| US5348220A | Savings box | Human Necessities | 7 | Expired |
| US4557476A | Cigarette case jugglery device | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5549515A | Coin-magic device | Human Necessities | 6 | Expired |
| USD335748S | Saving box | General | 6 | Expired |
| US5557867A | Variable-display device for amusement | Physics | 5 | Expired |
| US4565364A | Implement for magic trick for falsely cutting card or the like | Human Necessities | 4 | Expired |
| US5449324A | Trick article for illusion that stick-like thing is cut off | Human Necessities | 4 | Expired |
| US5494217A | Savings bank with optical illusion coin concealment chute | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5558583A | Coin transfer apparatus for jugglery use | Human Necessities | 2 | Expired |
| US6827644B2 | Magic game system | Human Necessities | 2 | Expired |
| US8187090B2 | Conjuring assisting toy | Human Necessities | 1 | Active |
| US5514021A | Coin spinner and savings box with same | Human Necessities | 1 | Expired |
| US6857963B1 | Conjuring tool for performing card trick | Human Necessities | 1 | Expired |
| US5886956A | Display for illusion of floating in the air | Physics | 1 | Expired |
| US5536209A | Cutting-magic device | Human Necessities | 1 | Expired |
| US5456636A | Magical trick device for card slashing | Human Necessities | 1 | Expired |
| US5551921A | Coin magic device | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5494210A | Saving box | Human Necessities | 0 | Expired |
| USD354830S | Savings bank | General | 0 | Expired |
| US6935961B2 | Conjuring tool for performing coin increasing trick | Human Necessities | 0 | Expired |
| US5528562A | Mimic watch set for magic use | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.