Average Co-Inventor Count = 1.45
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. Other (4 from 832,843 patents)
2. Ryan Instruments, L.p. (3 from 4 patents)
3. Jerry and Nadejda Johnson (1 from 1 patent)
8 patents:
1. 9266490 - Johnson ATV safety bar
2. 8087694 - ATV roll bar system
3. 4996909 - Housing for remote environmental monitor system
4. 4981407 - Bale loader, transporter and feeder
5. 4846141 - Bow sight
6. 4816822 - Remote environmental monitor system
7. 4199768 - Portable compact strip chart recorder with lost-motion protective
8. 4141019 - Portable compact strip chart recorder