Average Co-Inventor Count = 1.95
ph-index = 10
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. Sony Corporation (74 from 58,129 patents)
2. Sumida Corporation (8 from 228 patents)
3. Teikoku Printing Inks Mfg. Co., Ltd. (2 from 15 patents)
4. Renesas Electronics Corporation (1 from 7,524 patents)
5. Kawasaki Steel Corporation (1 from 1,256 patents)
83 patents:
1. 10693222 - Method of manufacturing antenna device and antenna device
2. 10665944 - Antenna device and method for manufacturing antenna device
3. 10312357 - Trench gate IGBT
4. 10186764 - Antenna device and manufacturing method of antenna device
5. 10186774 - Antenna device and method for manufacturing antenna device
6. 10141649 - Antenna device and manufacturing method of antenna device
7. 9939465 - Electric current detector
8. 9233781 - Cartridge receiving case
9. 8997130 - Disk cartridge for storing disk-shaped recording media
10. 8564907 - Position determining member to align a magnetic tape cartridge in a magnetic recording and reproducing apparatus
11. 8373532 - Coil
12. 8207807 - Coil
13. RE43454 - Disc cartridge including an inner shell formed by severing a molded portion and a flanged thin-walled section
14. 7345847 - Tape cartridge
15. 7318559 - Tape cartridge