Average Co-Inventor Count = 2.69
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. Tokai Corporation (14 from 139 patents)
2. Other (1 from 832,891 patents)
15 patents:
1. 5456929 - Ready-to-heat canned goods
2. 5326256 - Igniting device
3. 5322433 - Igniting device
4. 5298207 - Method of producing a microcell polymer filter for use in flow rate
5. 5284439 - Igniting device
6. D336538 - Gas lighter
7. D334589 - Plural-nibbed ball-point pen
8. 5186619 - Flow rate regulating mechanism for gas lighters and similar devices and
9. 5186618 - Gas lighter with safety device
10. 5145358 - Safety device for piezoelectric gas lighter
11. D328917 - Twin-nibbed ball-point pen
12. D327813 - Igniter
13. D326684 - Felt tipped pen
14. D319323 - Lighter case
15. D314063 - Lighter