Average Co-Inventor Count = 3.00
ph-index = 2
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. Seiko Epson Corporation (9 from 33,464 patents)
9 patents:
1. 11086135 - Optical module and head-mounted display apparatus
2. 10824064 - Light source device and projector
3. 10795248 - Light source device and projector
4. 10754164 - Image reading apparatus and reading module
5. 10495883 - Image display device with optical systems to guide light to a pupil
6. 10252414 - Robot and printer including a telecentric optical system between an imaging element and a mark of an encoder
7. 10139630 - Image display device with optical systems to guide light to a pupil
8. 9658464 - Diffractive optics element, method for manufacturing diffractive optics element, and electronic device
9. 8576460 - Image reading device