Average Co-Inventor Count = 1.29
ph-index = 7
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Nakamichi Corporation (16 from 142 patents)
2. Konami Digital Entertainment Co., Ltd. (2 from 528 patents)
3. Nippon Thompson Co., Ltd. (1 from 467 patents)
4. Shinwa Co., Ltd. (1 from 6 patents)
19 patents:
1. 8531452 - Video game machine, gaming image display control method and display mode switching control method
2. 8070607 - Competition game system and game apparatus
3. 7266828 - Disk drive device
4. 6058097 - Changer-type disk playback device
5. 5881045 - Compact changer-type disk player
6. 5867473 - Disk playback with clamping mechanism and misalignment detector
7. 5153867 - Cartridge shutter actuating device in recording and/or reproducing
8. 5076715 - Linear motion guide unit with a rack and pinion mechanism
9. 5068761 - Disk cartridge with notch for locking a shutter
10. 5045962 - Magnetic tape cleaner
11. 5005093 - Recording and/or reproducing apparatus with cartridge lock mechanism
12. 4992896 - Cartridge shutter actuating device in recording and/or reproducing
13. 4987504 - Drive and winding reel arrangement in a magnetic recording and
14. 4984110 - Tape cartridge holder arrangement in a magnetic recording and
15. 4924335 - Tape cartridge loading mechanism with engagement means to retain