Company Filing History:

14 out of 39,244

Fujitsu Corporation

where one patent can have more than one assignee

Years Active: 1984-1991

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4989182 - Dynamic random access memory having dummy word line for facilitating (1991-01-29),

2. 4970693 - Semiconductor memory device with internal control signal based upon (1990-11-13),

3. 4905201 - Semiconductor memory device capable of selective operation of memory (1990-02-27),

4. 4870617 - Semiconductor memory device having data bus reset circuits (1989-09-26),

5. 4821232 - Semiconductor memory device having data bus reset circuit (1989-04-11),

6. 4807192 - Memory device employing address multiplexing (1989-02-21),

7. 4806795 - Transfer gate circuit protected from latch up (1989-02-21),

8. 4799197 - Semiconductor memory device having a CMOS sense amplifier (1989-01-17),

9. 4583204 - Semiconductor memory device (1986-04-15),

10. 4550289 - Semiconductor integrated circuit device (1985-10-29),

11. 4532613 - Semiconductor memory device (1985-07-30),

12. 4504929 - Dynamic semiconductor memory device (1985-03-12),

13. 4484312 - Dynamic random access memory device (1984-11-20),

14. 4450515 - Bias-voltage generator (1984-05-22),

Title: The Innovative Mind of Tsuyoshi Ohira

Introduction

Tsuyoshi Ohira, an accomplished inventor based in Kawasaki, Japan, has made significant contributions to the field of semiconductor technology. With a notable portfolio of 14 patents, Ohira has focused on enhancing the efficiency and functionality of dynamic random access memory (DRAM) and other semiconductor devices. His work demonstrates a commitment to innovation and excellence in the rapidly evolving tech landscape.

Latest Patents

Among Ohira's recent patents, two stand out for their innovative designs. The first patent pertains to a dynamic random access memory that incorporates a dummy word line, designed to simulate the electrical characteristics of actual word lines. This design improves the operational efficiency of memory devices by managing the latched row address when potential conditions in the dummy line change.

The second patent introduces a semiconductor memory device that integrates an internal control signal based on a reference potential. This device is connected to a power source and features an inhibiting circuit that regulates the response to external input signals for a specified duration. Such advancements are crucial for enhancing the performance and reliability of semiconductor technologies.

Career Highlights

Tsuyoshi Ohira has held significant roles at prominent companies such as Fujitsu Corporation and Fujitsu VLSI Limited. His experience at these institutions has provided him with a robust platform to develop groundbreaking technologies. Throughout his career, Ohira has demonstrated a keen ability to address industry challenges through innovative solutions in semiconductor design.

Collaborations

Throughout his journey, Ohira has collaborated with notable colleagues, including Yoshihiro Takemae and Masao Nakano. These collaborations have undoubtedly played a role in fostering creativity and innovation, allowing Ohira to leverage diverse expertise within the field of semiconductor technology.

Conclusion

Tsuyoshi Ohira's impactful contributions to the world of semiconductor inventions reflect his dedication to innovation and excellence. His patents not only enhance the functionality of semiconductor devices but also demonstrate the potential for further advancements in technology. As he continues to build on his impressive body of work, Ohira remains a key figure in the pursuit of technological innovation.

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