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For the Inventor, By the Inventor

Yokohama, Japan

Shigeo Ohshima

USPTO Granted Patents = 65

Average Co-Inventor Count = 2.5

ph-index = 14

Forward Citations = 804(Granted Patents)

Forward Citations (Not Self Cited) = 799(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Tokyo, JP (1987 - 1993)
  • Menlo Park, CA (US) (1995)
  • Kanagawa, JP (1991 - 2004)
  • Yokohama, JP (1992 - 2006)
  • Mt. View, CA (US) (2010)
  • Kawasaki, JP (2000 - 2011)
  • San Jose, CA (US) (2011)
  • Minato-ku, JP (2012)

Company Filing History:

goldMedal65 out of 52,752 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 1987-2012

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Areas of Expertise:
Semiconductor Device
Non-Volatile Memory
Synchronous Semiconductor Memory
Memory Testing Equipment
Integrated Circuit Design
Data Writing Methods
Memory System Architecture
Dynamic Memory Cells
Clock Control Circuit
Fast Cycle RAM
Data Readout Methods
Relay Chip Production
65 patents (USPTO):Explore Patents
1. 8179730 - Semiconductor device and semiconductor memory tester (2012-05-15),
2. 8000155 - Non-volatile memory device and method for writing data thereto (2011-08-16),
3. 7986557 - Nonvolatile semiconductor memory device and nonvolatile semiconductor memory system (2011-07-26),
4. 7911823 - Method of programming a non-volatile memory device (2011-03-22),
5. 7889537 - Non-volatile memory device and method for writing data thereto (2011-02-15),
6. 7869240 - Semiconductor device and semiconductor memory tester (2011-01-11),
7. 7823105 - Layout data generation equipment of semiconductor integrated circuit, data generation method and manufacturing method of semiconductor device (2010-10-26),
8. 7817457 - Non-volatile memory device (2010-10-19),
9. 7800967 - Semiconductor memory device and driving method thereof (2010-09-21),
10. 7739634 - Verification equipment of semiconductor integrated circuit, method of verifying semiconductor integrated circuit and process of manufacture of semiconductor device (2010-06-15),
11. 7732930 - Semiconductor device, relay chip, and method for producing relay chip (2010-06-08),
12. 7602651 - Semiconductor integrated circuit device (2009-10-13),
13. 7120078 - Synchronous semiconductor memory (2006-10-10),
14. 6990040 - Method for writing data to a semiconductor memory comprising a peripheral circuit section and a memory core section including a memory cell (2006-01-24),
15. 6885606 - Synchronous semiconductor memory device with a plurality of memory banks and method of controlling the same (2005-04-26),

Sure, here is the article about inventor Shigeo Ohshima:

Title: Spotlight on Inventor Shigeo Ohshima: Pioneering Innovator in Semiconductor Technology

Introduction:

Shigeo Ohshima is a renowned inventor based in Yokohama, Japan, who has made significant contributions to the field of semiconductor technology. With an impressive portfolio of 65 patents, Ohshima continues to push the boundaries of innovation in the industry.

Latest Patents:

Among his latest patents is a groundbreaking Semiconductor Device and Semiconductor Memory Tester. This invention includes a boosting circuit that generates a boosted voltage for operating nonvolatile semiconductor memories efficiently.

Additionally, Ohshima's Non-Volatile Memory Device and Method for Writing Data Thereto patent revolutionizes data writing processes in non-volatile memory devices, enhancing their performance and reliability.

Career Highlights:

Ohshima's stellar career unfolds at Kabushiki Kaisha Toshiba, a leading technology company in Japan. His expertise and leadership have played a pivotal role in driving forward the company's innovation agenda, making him a key figure in the semiconductor industry.

Collaborations:

Throughout his career, Ohshima has collaborated with esteemed colleagues such as Haruki Toda and Hiroshi Sahara. Their collective efforts have led to groundbreaking developments in semiconductor technology, solidifying their position as trailblazers in the field.

Conclusion:

In conclusion, Shigeo Ohshima's innovative spirit and dedication to advancing semiconductor technology have earned him a well-deserved reputation as a visionary inventor. His patents and collaborations stand as a testament to his commitment to excellence and his ongoing quest to shape the future of the industry.

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