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Memory-tech Holdings Inc.

USPTO Granted Patents = 19

EPO Patents = 4

Trademarks = 3

Forward Citations = 9

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15 inventors (with patents filed for the assignee):

Takayuki Naka (15 out of 22 patents)

Masahito Konishi (15 out of 20 patents)

Masaki Yamamoto (15 out of 125 patents)

4. Hirohisa Yamada (15 out of 47 patents)

5. Hideharu Tajima (15 out of 80 patents)

6. Yoshihisa Adachi (4 out of 46 patents)

7. Hideki Kobayashi (2 out of 80 patents)

8. Makoto Suzuki (2 out of 72 patents)

9. Yoshihiro Takatani (2 out of 2 patents)

10. Mitsuro Satoh (2 out of 2 patents)

11. Masayoshi Tsuchiya (2 out of 17 patents)

12. Takuya Shiroto (2 out of 2 patents)

13. Masakazu Ogasawara (2 out of 56 patents)

14. Masayoshi Yoshida (2 out of 81 patents)

15. Takao Tagiri (2 out of 11 patents)

19 patents: Sort by Forward Citations

1. 11676634 - Method for playing back information recording medium (2023-06-13),

2. 10636445 - Information recording medium and reproduction device (2020-04-28),

3. 10381039 - Reproducing device (2019-08-13),

4. 10255941 - Optical disc having a plurality of recording layers (2019-04-09),

5. 10192581 - Reproducing device (2019-01-29),

6. 10068605 - Optical information recording medium having first and second pit row of identical reflectance (2018-09-04),

7. 10043545 - Information recording medium and reproduction device (2018-08-07),

8. 9978416 - Reproducing device (2018-05-22),

9. 9978415 - Optical information recording medium having first and second pit rows of identical reflectance (2018-05-22),

10. 9928868 - Optical disc having a plurality of recording layers (2018-03-27),

11. 9805761 - Reproducing device (2017-10-31),

12. 9767838 - Optical information recording medium and reproduction method (2017-09-19),

13. 9697863 - Information recording medium and reproduction device (2017-07-04),

14. 9666222 - Optical information recording medium having first and second pit row of identical reflectance (2017-05-30),

15. 9633688 - Reproducing device (2017-04-25),

Memory-Tech Holdings Inc. is a leading manufacturer and provider of optical disc media and related services. With over 30 years of experience in the industry, the company offers a wide range of high-quality optical disc solutions for various applications. Memory-Tech's products include DVD, Blu-ray, CD, and ROM discs, as well as packaging and printing services. They serve clients in various sectors, including entertainment, software, publishing, and corporate data storage. Through continuous innovation and a commitment to customer satisfaction, Memory-Tech has established itself as a trusted partner in the optical disc industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

19 Patents

#1,199 in Tokyo

#2,971 in Japan

#31,670 in the World

Memory-tech Holdings Inc.

Forward Citations = 9

15 inventors:

Takayuki Naka (15 out of 22 patents)

Masahito Konishi (15 out of 20 patents)

Masaki Yamamoto (15 out of 125 patents)

4. Hirohisa Yamada (15 out of 47 patents)

5. Hideharu Tajima (15 out of 80 patents)

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