Tokyo, Japan

Kazuo Egawa

Average Co-Inventor Count = 1.87

ph-index = 21

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.

Forward Citations = 1,504

..

Inventor’s number of patents

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Strength of working relationships

Company Filing History:

1. Toshiba Lighting & Technology Corporation (48 from 662 patents)

2. Kabushiki Kaisha Toshiba (3 from 52,711 patents)

48 patents:

1. D663060 - Light source for a lighting unit

2. D658603 - Light emitting diode module

3. D658602 - Light emitting diode module

4. D658601 - Light emitting diode module

5. D658604 - Light emitting diode module

6. D658605 - Light emitting diode module

7. D658600 - Light emitting diode module

8. D631566 - Light source for a lighting device

9. D631565 - Light source for a lighting device

10. D578673 - Light emitting diode lamp

11. D578672 - Light emitting diode lamp

12. D574090 - Light emitting diode lamp

13. D574089 - Light emitting diode lamp

14. D566861 - Light emitting diode lamp

15. D565750 - Light emitting diode lamp

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as of
12/8/2025

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