Average Co-Inventor Count = 3.33
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. Nippon Sanso Corporation (8 from 182 patents)
2. Nippon Sanso Kabushiki Kaisha (1 from 24 patents)
3. Japan Oxygen, Co., Ltd. (1 from 24 patents)
10 patents:
1. 6098834 - Cap for beverage container
2. D406011 - Cup with lid
3. D406006 - Lid for a container
4. D404613 - Cup with lid
5. D398815 - Cup
6. D381243 - Cap for a drink container
7. 5596921 - Thermally insulated cooking device
8. 5251542 - Heat insulating cooking vessel
9. 4990254 - Portable water purifier
10. 4669632 - Evacuated heat insulation unit