Average Co-Inventor Count = 1.67
ph-index = 5
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. Seikosha Co., Ltd. (10 from 696 patents)
2. Mitsubishi Chemical Engineering Corporation (3 from 14 patents)
3. Seiko Clock Inc. (1 from 29 patents)
14 patents:
1. 11964446 - Continuous production system and continuous production method
2. 11944590 - Continuous manufacturing system and method
3. 10947064 - Pipe for transporting powder and method for transporting powder
4. 5623456 - Electroluminescent indicator hand
5. 5161130 - Clock with openable dial pieces
6. D319602 - Watch movement
7. D317729 - Watch movement
8. D317728 - Watch movement
9. D311879 - Clock movement
10. 4918674 - Alarm timepiece
11. 4821257 - Electricity supply structure for a piezoelectric vibrator
12. 4821249 - Timepiece movement
13. 4740936 - Alarm on-off mechanism for alarm watch
14. 4727526 - Alarm on-off mechanism for alarm watch