For the Inventor, By the Inventor

Enter assignee name

Frontec Incorporated

USPTO Granted Patents = 37

Forward Citations = 839

Loading Chart...

Loading Chart...

44 inventors (with patents filed for the assignee):

Hirofumi Fukui (11 out of 19 patents)

Yasuhiko Kasama (11 out of 42 patents)

Akira Nakano (9 out of 32 patents)

4. Chisato Iwasaki (9 out of 15 patents)

5. Hiroyuki Hebiguchi (8 out of 50 patents)

6. Tadahiro Ohmi (7 out of 53 patents)

7. Ken Kawahata (6 out of 19 patents)

8. Koichi Fukuda (6 out of 10 patents)

9. Chae Gee Sung (5 out of 25 patents)

10. Kenichi Mitsumori (4 out of 28 patents)

11. Masami Aihara (4 out of 5 patents)

12. Kenji Yamamoto (4 out of 4 patents)

13. Tatsumi Fujiyoshi (3 out of 34 patents)

14. Hitoshi Seki (3 out of 9 patents)

15. Masanori Miyazaki (3 out of 5 patents)

Core Competencies:

Liquid Crystal Display

Thin Film Transistor

Plasma Processing

Electro-Optical Device

Magnetic Sensor

Cleaning Method

Etching Agent

High Frequency Magnetron

Substrate Surface Potential

Field Effect Transistor

Matrix Wiring Substrates

Sputtering Method

37 patents: Sort by Forward Citations

1. 6211854 - Display apparatus and driving method therefor (2001-04-03),

2. 6184945 - Liquid crystal display apparatus in which electrode film forming capacitor in cooperation with pixel electrode is connected to gate wiring via connecting path (2001-02-06),

3. 6155202 - Plasma processing apparatus, matching box, and feeder (2000-12-05),

4. 6148762 - Plasma processing apparatus (2000-11-21),

5. 6137557 - Liquid crystal display device (2000-10-24),

6. 6121770 - Magnetic sensor using magnetic impedance of magnetic wire within biasing (2000-09-19),

7. 6052163 - Thin film transistor and liquid crystal display device (2000-04-18),

8. 6035871 - Apparatus for producing semiconductors and other devices and cleaning (2000-03-14),

9. 6011530 - Liquid crystal display (2000-01-04),

10. 5998230 - Method for making liquid crystal display device with reduced mask steps (1999-12-07),

11. 5983909 - Cleaning method and apparatus for the same (1999-11-16),

12. 5982462 - Inverse stagger or planar type thin-film transistor device and (1999-11-09),

13. 5978058 - Thin film transistor liquid crystal display with a silicide layer formed (1999-11-02),

14. 5953092 - Liquid crystal device with split pixel electrodes and with intermediate (1999-09-14),

15. 5921559 - Sealing structure for an airtight chamber (1999-07-13),

Company Overview

Frontec Incorporated is a technology-focused company based in Sendai, Japan, specializing in advanced engineering solutions and innovative product development. The organization is engaged in various sectors, including electronics, telecommunications, and software development, with a strong emphasis on research and development. Frontec is committed to enhancing technological capabilities and delivering high-quality solutions that cater to the evolving needs of its clients across diverse industries.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

37 Patents

#6 in Sendai

#2,054 in Japan

#18,260 in the World

Frontec Incorporated

Forward Citations = 839

44 inventors:

Hirofumi Fukui (11 out of 19 patents)

Yasuhiko Kasama (11 out of 42 patents)

Akira Nakano (9 out of 32 patents)

4. Chisato Iwasaki (9 out of 15 patents)

5. Hiroyuki Hebiguchi (8 out of 50 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Frontec Incorporated. Retrieved from https://idiyas.com/company/frontec

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

Loading…