Company Filing History:

11 out of 42,485

Hitachi, Ltd.

patents

1 out of 9

Hitachi Microcomputer Eng. Ltd.

patents

1 out of 7

Hitachi Ome Electronic Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1976-1995

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5446689 - Semiconductor memory having a polycrystalline silicon load resistor and (1995-08-29),

2. 5359562 - Semiconductor memory having polycrystalline silicon load resistors and (1994-10-25),

3. 4712192 - Semiconductor memory device and fabrication process thereof (1987-12-08),

4. 4564925 - Semiconductor memory (1986-01-14),

5. 4554729 - Method of making semiconductor memory device (1985-11-26),

6. 4507759 - Static memory (1985-03-26),

7. 4300213 - Memory circuit with increased operating speed (1981-11-10),

8. 4261004 - Semiconductor device (1981-04-07),

9. 4258465 - Method for fabrication of offset gate MIS device (1981-03-31),

10. 4199778 - Interconnection structure for semiconductor integrated circuits (1980-04-22),

11. 3949382 - Misfet circuit for reading the state of charge (1976-04-06),

Title: Unveiling the Inventive Mind of Tokumasa Yasui

Introduction:

Meet the prolific inventor, Tokumasa Yasui, hailing from Kodaira, Japan, whose innovative spirit has led to the creation of groundbreaking technologies in the field of semiconductor memory. With an impressive track record of 11 patents under his belt, Yasui's contributions have significantly advanced the landscape of memory devices.

Latest Patents:

Yasui's latest patents showcase his expertise in semiconductor memory design. One notable invention is a semiconductor memory device featuring a polycrystalline silicon load resistor. This cutting-edge technology includes memory cells with cross-coupled metal insulated gate field effect transistors and load resistors of polycrystalline silicon, enhancing performance and reducing susceptibility to soft errors.

Career Highlights:

Throughout his career, Yasui has made significant contributions while working at esteemed companies like Hitachi Co., Ltd. and Hitachi Microcomputer Engineering Ltd. His innovative solutions have not only propelled the companies forward but have also solidified his reputation as a leading figure in the semiconductor industry.

Collaborations:

Collaboration plays a crucial role in innovation, and Yasui has had the privilege of working alongside talented individuals such as Nobuyoshi Tanimura and Kotaro Nishimura. Together, they have combined their expertise to develop cutting-edge technologies that have pushed the boundaries of semiconductor memory design.

Conclusion:

In conclusion, Tokumasa Yasui's relentless pursuit of innovation and his groundbreaking inventions in semiconductor memory have left an indelible mark on the industry. His passion for pushing boundaries and his exceptional technical prowess continue to inspire future generations of inventors and shape the future of technology.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.