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Nichia Kagaku Kogyo K.k.

USPTO Granted Patents = 21

Forward Citations = 531

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36 inventors (with patents filed for the assignee):

Satoru Chikutei (5 out of 5 patents)

Genichi Shinomiya (5 out of 5 patents)

Yuji Itsuki (4 out of 5 patents)

4. Shigeharu Nakajima (4 out of 5 patents)

5. Kouichi Okada (4 out of 4 patents)

6. Mizuho Takeda (3 out of 3 patents)

7. Shoichi Bando (3 out of 5 patents)

8. Toshiaki Tateiwa (3 out of 3 patents)

9. Tetsuya Sadamoto (3 out of 3 patents)

10. Yoshihito Hario (3 out of 3 patents)

11. Noboru Ichinose (2 out of 28 patents)

12. Hirohumi Tanaka (2 out of 2 patents)

13. Masahiro Yoneda (2 out of 2 patents)

14. Keizi Ichinomiya (2 out of 2 patents)

15. Osamu Sakai (2 out of 2 patents)

21 patents: Sort by Forward Citations

1. 5523018 - Phosphor composition, phosphor-coating composition, discharge lamp, and (1996-06-04),

2. 5433888 - Phosphor composition, phosphor-coating composition, discharge lamp and (1995-07-18),

3. 5417886 - Phosphor coating composition, and discharge lamp (1995-05-23),

4. 5366834 - Method of manufacturing a cathode ray tube phosphor screen (1994-11-22),

5. 5330791 - Method of reclaiming phosphor (1994-07-19),

6. 5290393 - Crystal growth method for gallium nitride-based compound semiconductor (1994-03-01),

7. 5250366 - Phosphor which emits light by the excitation of X-ray, and a X-ray (1993-10-05),

8. 5229626 - Solid-state image converting device with dot-like layer (1993-07-20),

9. 5185207 - Phosphor for cathode ray tube and surface treatment method for the (1993-02-09),

10. 5120619 - X-ray phosphors and X-ray intensifying screen using the phosphor (1992-06-09),

11. 5077145 - Phosphor for X-ray intensifying screen and X-ray intensifying screen (1991-12-31),

12. 5049779 - Phosphor composition used for fluorescent lamp and fluorescent lamp (1991-09-17),

13. 5041334 - Pigment-attached phosphor (1991-08-20),

14. 5008789 - Fluorescent lamp having ultraviolet reflecting layer (1991-04-16),

15. 4982314 - Power source circuit apparatus for electro-luminescence device (1991-01-01),

Nichia Kagaku Kogyo K.k. is a leading manufacturer of LEDs and other optoelectronic products. Founded in 1956, Nichia has been at the forefront of LED technology, producing a wide range of high-quality and energy-efficient lighting solutions. The company is known for its innovative research and development, and its products are used in a variety of applications, from smartphones to automotive lighting. With a commitment to sustainability and quality, Nichia continues to be a trusted partner for customers worldwide.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

21 Patents

#109 in

#2,798 in Japan

#29,031 in the World

Nichia Kagaku Kogyo K.k.

Forward Citations = 531

36 inventors:

Satoru Chikutei (5 out of 5 patents)

Genichi Shinomiya (5 out of 5 patents)

Yuji Itsuki (4 out of 5 patents)

4. Shigeharu Nakajima (4 out of 5 patents)

5. Kouichi Okada (4 out of 4 patents)

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