Average Co-Inventor Count = 4.69
ph-index = 9
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. Nhk Spring Co., Ltd. (7 from 1,232 patents)
2. Kabushiki Kaisha Toshiba (6 from 52,711 patents)
3. Tokyo Electric Co. (2 from 492 patents)
4. Fujitsu Corporation (1 from 39,228 patents)
5. Nippon Shaft Co., Ltd. (1 from 7 patents)
6. Kabushiki Kaisha Toshiba A/t/a Toshiba Corporation (1 from 1 patent)
15 patents:
1. 10358008 - Suspension coil spring
2. 9713946 - Strut-type suspension and compression coil spring for suspension
3. 9463676 - Suspension and compression coil spring for suspension
4. 7578750 - Golf shaft, golf club, and production method for golf shaft
5. 6915249 - Noise checking method and apparatus
6. 6161195 - EEPROM memory card device having defect relieving means
7. 5745912 - Memory card apparatus including a link table for managing the
8. 5579502 - Memory card apparatus using EEPROMS for storing data and an interface
9. 5483491 - Memory card device
10. 4818853 - Data card with inductive signal transfer device
11. D297675 - Electric vacuum cleaner
12. D297475 - Electric vacuum cleaner
13. 4429899 - Hollow stabilizer for vehicle
14. 4378122 - Hollow stabilizer for vehicle
15. 4365824 - Stabilizer for vehicle