Average Co-Inventor Count = 3.84
ph-index = 6
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. Sumita Optical Glass, Inc. (12 from 55 patents)
2. Toyoda Gosei Co., Ltd. (10 from 3,081 patents)
3. Other (3 from 832,891 patents)
4. Kanda Tsushin Kogyo Co., Ltd. (1 from 15 patents)
14 patents:
1. 11598947 - Relay optical system for rigid endoscope
2. 9405123 - Optical system
3. 9315416 - Method of manufacturing light-emitting device
4. 8685766 - Solid element device and method for manufacturing the same
5. 8154047 - Solid element device and method for manufacturing the same
6. 8101441 - Method of manufacturing light-emitting device
7. 7999398 - Solid state device
8. 7989236 - Method of making phosphor containing glass plate, method of making light emitting device
9. 7824937 - Solid element device and method for manufacturing the same
10. 7825575 - Solid-state element device and light-emitting apparatus using same
11. 7667223 - Solid-state optical device
12. 7470926 - Solid-state optical device
13. 5913825 - Ultrasonic probe and ultrasonic survey instrument
14. 5665308 - Urine occult blood test apparatus