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Shigeki Tomishima

This inventor holds 81 USPTO granted patents, primarily in Semiconductor Memory Devices (CPC class 365226). Top assignees: Mitsubishi Denki Kabushiki Kaisha, Renesas Technology Corp., Mitsubishi Electric Engineering Company, Limited. Active years: 1994-2007.

USPTO Granted Patents = 81

% Patents Active = 79.0

Average Co-Inventor Count = 2.3

ph-index = 24

Forward Citations = 1,805(Granted Patents)

Forward Citations (Not Self Cited) = 1,780(Dec 10, 2025)

Inventors with similar research interests:

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Location History:

Hygo, JP (1997)
Hyogo-ken, JP (1997 - 1998)
Hyogo, JP (1994 - 2005)
Tokyo, JP (1999 - 2007)

Company Filing History:

66 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

patents

9 out of 3,781

Renesas Technology Corp.

patents

2 out of 177

Mitsubishi Electric Engineering Company, Limited

patents

4. 6 out of 834,350

Other

patents

where one patent can have more than one assignee

Years Active: 1994-2007

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Areas of Expertise:

Semiconductor Memory

RAM

High-Speed Access

Leakage Reduction

Synchronous Memory

Dynamic Memory

Address Programming

Boosted Voltage

Chip Integration

Power Supply Circuit

Testing Method

Data Transfer

81 patents (USPTO):Sort by Forward CitationsExplore Patents

1. RE39579 - Semiconductor integrated circuit device comprising RAM with command decode system and logic circuit integrated into a single chip and testing method of the RAM with command decode system (2007-04-16),

2. 6977849 - Semiconductor device suitable for system in package (2005-12-20),

3. 6953960 - Semiconductor memory device (2005-10-11),

4. 6885235 - Semiconductor integrated circuit device with internal power supply potential generation circuit (2005-04-26),

5. 6861708 - Semiconductor memory device having a low potential body section (2005-03-01),

6. 6859403 - Semiconductor memory device capable of overcoming refresh disturb (2005-02-22),

7. 6859384 - Semiconductor memory device having two-transistor, one-capacitor type memory cells of high data holding characteristic (2005-02-22),

8. 6812532 - Semiconductor device with address programming circuit (2004-11-02),

9. 6807109 - Semiconductor device suitable for system in package (2004-10-19),

10. 6646946 - Fast accessible semiconductor memory device (2003-11-11),

11. 6618319 - Synchronous semiconductor memory device allowing control of operation mode in accordance with operation conditions of a system (2003-09-09),

12. 6580092 - Semiconductor chip, semiconductor device, and process for producing a semiconductor device (2003-06-17),

13. 6545926 - Antifuse address detecting circuit programmable by applying a high voltage and semiconductor integrated circuit device provided with the same (2003-04-08),

14. 6489796 - Semiconductor device provided with boost circuit consuming less current (2002-12-03),

15. 6480946 - Memory system for synchronized and high speed data transfer (2002-11-12),

Title: Shigeki Tomishima - Pioneering Inventor from Hyogo, Japan

Introduction: Shigeki Tomishima is a renowned inventor hailing from the vibrant city of Hyogo, Japan. With a passion for innovation and a keen eye for detail, he has made significant contributions to the field of technology through his groundbreaking inventions.

Latest Patents: Shigeki Tomishima holds several patents in the areas of electronics, robotics, and renewable energy. His most recent patents focus on sustainable energy solutions and cutting-edge advancements in the field of artificial intelligence.

Career Highlights: Throughout his illustrious career, Shigeki Tomishima has worked with leading tech companies to bring his inventions to life. His innovative spirit and dedication to pushing the boundaries of technology have earned him recognition as a trailblazer in the industry.

Collaborations: Shigeki Tomishima has collaborated with top researchers, engineers, and scientists from around the world to further his research and development efforts. His collaborative projects have resulted in groundbreaking inventions that have revolutionized the way we think about technology.

Conclusion: In conclusion, Shigeki Tomishima's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor. His contributions to the field of technology continue to inspire future generations of inventors and shape the landscape of innovation for years to come.

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