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Polatechno Co., Ltd.

USPTO Granted Patents = 40

EPO Patents = 15

Forward Citations = 123

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22 inventors (with patents filed for the assignee):

Takahiro Higeta (13 out of 13 patents)

Yuichi Sadamitsu (13 out of 20 patents)

Kouichi Tanaka (11 out of 39 patents)

4. Takuto Nishiguchi (11 out of 11 patents)

5. Hiroaki Ohno (9 out of 30 patents)

6. Noriaki Mochizuki (7 out of 9 patents)

7. Juichi Fukatani (4 out of 40 patents)

8. Izumi Omoto (4 out of 7 patents)

9. Seiko Ichikawa (4 out of 4 patents)

10. Mayu Kameda (4 out of 4 patents)

11. Hideyoshi Fujisawa (4 out of 6 patents)

12. Kenichiro Yoshioka (3 out of 4 patents)

13. Kazuyuki Kawabe (2 out of 2 patents)

14. Syoushi Takahashi (2 out of 2 patents)

15. Mitsunori Nakamura (1 out of 17 patents)

Core Competencies:

Stilbene Compounds

Dye-Based Polarizing Plates

Azo Compounds

Polarization Elements

Liquid Crystal Displays

Photosensitive Resin Compositions

Optical Films

Retardation Films

High-Transmissivity Polarizers

Laminated Glass

Water-Based Adhesives

Light Diffusion Cells

40 patents: Sort by Forward Citations

1. 11802208 - Stilbene-based compound or salt thereof, and polarizing film, polarizing plate, and display device (2023-10-31),

2. 11391873 - Dye-based polarizing plate for infrared wavelength range using azo, anthraquinone, or cyanine compound (2022-07-19),

3. 10585281 - Polarizing member and head-up display device comprising same (2020-03-10),

4. 10488558 - Photosensitive resin composition and antireflection film (2019-11-26),

5. 10215902 - Achromatic dye-based polarization element, and polarization plate (2019-02-26),

6. 10209418 - Achromatic polarization element, and polarization plate (2019-02-19),

7. 10209417 - Achromatic dye-based highly-transmissive polarization element, and polarization plate (2019-02-19),

8. 10150871 - Azo compound, dye-based polarizing film containing same, and polarizing plate (2018-12-11),

9. 10126468 - Achromatic polarizing plate with high-transmissivity and high-degree of polarization (2018-11-13),

10. 10007142 - Dye-based polarizer as well as polarizing plate and liquid crystal display device using the polarizer (2018-06-26),

11. 9354371 - Azo compounds, and dye-based polarizing films and polarizing plates comprising the same (2016-05-31),

12. 9341747 - Azo compound and salt thereof, and dye-based polarizing film and polarizing plate containing the same (2016-05-17),

13. 9341746 - Azo compound, dye-based polarizing film and polarizing plate (2016-05-17),

14. 9244198 - Azo compound, dye-based polarizing film and polarizing plate (2016-01-26),

15. 9244194 - Azo compound and salt thereof, and dye-based polarizing film and polarizing plate containing the same (2016-01-26),

Polatechno Co., Ltd. is a leading manufacturer of optical films and functional materials for various industries. With over 50 years of experience, Polatechno is committed to providing high-quality solutions that meet the ever-evolving needs of its customers. The company's broad range of products includes polarizing films, optical filters, anti-reflection coatings, and more. Polatechno's dedication to research and development ensures continuous innovation and the ability to offer cutting-edge technology to clients worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

40 Patents

#6 in Niigata

#1,932 in Japan

#16,572 in the World

Polatechno Co., Ltd.

Forward Citations = 123

22 inventors:

Takahiro Higeta (13 out of 13 patents)

Yuichi Sadamitsu (13 out of 20 patents)

Kouichi Tanaka (11 out of 39 patents)

4. Takuto Nishiguchi (11 out of 11 patents)

5. Hiroaki Ohno (9 out of 30 patents)

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