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Tokushima-ken, Japan

Nichia Chemical Industries, Limited

USPTO Granted Patents = 41

CIPO Patents = 1

Forward Citations = 3,081

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41 inventors (with patents filed for the assignee):

Shuji Nakamura (30 out of 223 patents)

Naruhito Iwasa (16 out of 24 patents)

Masayuki Senoh (15 out of 20 patents)

4. Shinichi Nagahama (9 out of 36 patents)

5. Motokazu Yamada (7 out of 130 patents)

6. Takashi Mukai (7 out of 12 patents)

7. Takao Yamada (7 out of 19 patents)

8. Kanji Bando (7 out of 11 patents)

9. Hiroyuki Kiyoku (6 out of 13 patents)

10. Tokuya Kozaki (4 out of 23 patents)

11. Kazuyuki Chocho (4 out of 10 patents)

12. Keiji Ichinomiya (3 out of 5 patents)

13. Katsunori Uchimura (3 out of 5 patents)

14. Miyuki Sumitomo (3 out of 4 patents)

15. Michiya Kume (2 out of 12 patents)

41 patents: Sort by Forward Citations

1. 8541794 - Nitride semiconductor light-emitting devices (2013-09-24),

2. 7615804 - Superlattice nitride semiconductor LD device (2009-11-10),

3. 7211822 - Nitride semiconductor device (2007-05-01),

4. 7154128 - Nitride semiconductor growth method, nitride semiconductor substrate, and nitride semiconductor device (2006-12-26),

5. 6940103 - Nitride semiconductor growth method, nitride semiconductor substrate and nitride semiconductor device (2005-09-06),

6. 6849864 - Nitride semiconductor device (2005-02-01),

7. 6780255 - Sm-fe-N based alloy powder and process for producing the same (2004-08-24),

8. 6756611 - Nitride semiconductor growth method, nitride semiconductor substrate, and nitride semiconductor device (2004-06-29),

9. 6677619 - Nitride semiconductor device (2004-01-13),

10. 6580099 - Nitride semiconductor light-emitting devices (2003-06-17),

11. 6507041 - Gallium nitride-based III-V group compound semiconductor (2003-01-14),

12. 6469323 - Light-emitting gallium nitride-based compound semiconductor device (2002-10-22),

13. 6334908 - Sm-Fe-N alloy powder and process for the production thereof (2002-01-01),

14. 6215133 - Light-emitting gallium nitride-based compound semiconductor device (2001-04-10),

15. 6204512 - Gallium nitride-based III-V group compound semiconductor device and method of producing the same (2001-03-20),

Nichia Chemical Industries, Limited, founded in 1956, is a leading global manufacturer and supplier of chemical products. The company specializes in producing high-quality lighting components, including LEDs, laser diodes, and phosphors. Nichia is renowned for its innovation and commitment to delivering sustainable and energy-efficient solutions. With a strong emphasis on research and development, Nichia remains at the forefront of the industry, constantly pushing boundaries to advance lighting technologies. For more information, please visit their website.

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Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

41 Patents

#1 in Tokushima-ken

#1,896 in Japan

#16,191 in the World

Tokushima-ken, Japan

Nichia Chemical Industries, Limited

Forward Citations = 3,081

41 inventors:

Shuji Nakamura (30 out of 223 patents)

Naruhito Iwasa (16 out of 24 patents)

Masayuki Senoh (15 out of 20 patents)

4. Shinichi Nagahama (9 out of 36 patents)

5. Motokazu Yamada (7 out of 130 patents)

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