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Luxembourg, Luxembourg

Longitude Semiconductor S.a.r.l.

USPTO Granted Patents = 52

EPO Patents = 1

Forward Citations = 109

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65 inventors (with patents filed for the assignee):

Chikara Kondo (5 out of 78 patents)

Yoshinori Matsui (4 out of 87 patents)

Yorio Takada (4 out of 14 patents)

4. Michio Inoue (3 out of 7 patents)

5. Toshio Sugano (3 out of 58 patents)

6. Hiroki Fujisawa (2 out of 153 patents)

7. Akira Ide (2 out of 43 patents)

8. Kazuaki Tonari (2 out of 4 patents)

9. Hiroaki Ikeda (2 out of 3 patents)

10. Yutaka Uematsu (1 out of 83 patents)

11. Yoshitaka Nakamura (1 out of 73 patents)

12. Naohisa Nishioka (1 out of 30 patents)

13. Kiyonori Oyu (1 out of 39 patents)

14. Ryohei Kitada (1 out of 5 patents)

15. Masahiro Yamaguchi (1 out of 36 patents)

Core Competencies:

Memory Module

Semiconductor Device

PDA Function

Constant Current Source Circuit

Silicon Interposer

Floating Body Type Transistor

Charge Pump Circuit

Hierarchical Sense Amplifiers

Data Processing System

Output Circuit

High Voltage Switch Architecture

Through Silicon Vias

52 patents: Sort by Forward Citations

1. 10147479 - Memory module and memory system (2018-12-04),

2. 10068637 - Semiconductor device having PDA function (2018-09-04),

3. 10037971 - Semiconductor device having plural memory chip (2018-07-31),

4. 9990982 - Memory module and memory system (2018-06-05),

5. RE46882 - Semiconductor device and method for manufacturing the same (2018-05-28),

6. RE46798 - Semiconductor device and manufacturing method therefor (2018-04-16),

7. 9911699 - Semiconductor device (2018-03-06),

8. 9911480 - Semiconductor device chip selection (2018-03-06),

9. 9786762 - Gate electrode of a semiconductor device, and method for producing same (2017-10-10),

10. 9766646 - Constant current source circuit (2017-09-19),

11. 9715921 - Semiconductor device having PDA function (2017-07-25),

12. 9691700 - Semiconductor device including first and second dummy wirings (2017-06-27),

13. 9666306 - Semiconductor device having hierarchically structured bit lines (2017-05-30),

14. 9641175 - Output circuit for semiconductor device, semiconductor device having output circuit, and method of adjusting characteristics of output circuit (2017-05-02),

15. 9640462 - Semiconductor device having wiring pad and wiring formed on the same wiring layer (2017-05-02),

Longitude Semiconductor S.a.r.l. is a leading semiconductor company specializing in the design, development, and manufacturing of high-performance integrated circuits (ICs). With a strong focus on innovation, we provide cutting-edge solutions for a wide range of industries, including telecommunications, automotive, consumer electronics, and more. Through our state-of-the-art facilities and dedicated team of engineers, we deliver reliable and cost-effective semiconductor products tailored to meet our customers' specific requirements. Visit our website to learn more about our extensive product portfolio and how we can help drive your business forward in the rapidly-evolving semiconductor industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

52 Patents

#23 in Luxembourg

#34 in Luxembourg

#13,162 in the World

Luxembourg, Luxembourg

Longitude Semiconductor S.a.r.l.

Forward Citations = 109

65 inventors:

Chikara Kondo (5 out of 78 patents)

Yoshinori Matsui (4 out of 87 patents)

Yorio Takada (4 out of 14 patents)

4. Michio Inoue (3 out of 7 patents)

5. Toshio Sugano (3 out of 58 patents)

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