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For the Inventor, By the Inventor

Tokyo, Japan

Yuuichi Tatsumi

USPTO Granted Patents = 15

Average Co-Inventor Count = 3.3

ph-index = 9

Forward Citations = 223(Granted Patents)


Location History:

  • Setagaya-Ku, JP (2002)
  • Tokyo, JP (1989 - 2012)

Company Filing History:

goldMedal15 out of 52,730 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 1989-2012

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15 patents (USPTO):Explore Patents
1. 8241999 - Semiconductor device having a protection pattern with two element separation regions (2012-08-14),
2. 7655481 - Method for manufacturing industrial products and combination of masks for manufacturing the same (2010-02-02),
3. 6376295 - Method for manufacturing a semiconductor memory device with a fine structure (2002-04-23),
4. 6118699 - Semiconductor memory device using MONOS type nonvolatile memory cell (2000-09-12),
5. 6014443 - Semiconductor memory device having copy protect function and method for (2000-01-11),
6. 5200926 - Semiconductor integrated circuit (1993-04-06),
7. 5175704 - Nonvolatile semiconductor memory device (1992-12-29),
8. 5138579 - Semiconductor memory device having transfer gates which prevent high (1992-08-11),
9. 5056064 - Semiconductor integrated circuit (1991-10-08),
10. 5010520 - Nonvolatile semiconductor memory device with stabilized data write (1991-04-23),
11. 4967394 - Semiconductor memory device having a test cell array (1990-10-30),
12. 4959816 - Semiconductor integrated circuit (1990-09-25),
13. 4916334 - High voltage booster circuit for use in EEPROMs (1990-04-10),
14. 4882507 - Output circuit of semiconductor integrated circuit device (1989-11-21),
15. 4858192 - Semiconductor memory device with redundancy circuit (1989-08-15),

Title: Yuuichi Tatsumi: Innovator in Semiconductor Technology

Introduction

Yuuichi Tatsumi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 15 patents. His work focuses on enhancing the efficiency and reliability of semiconductor devices.

Latest Patents

One of his latest patents is titled "Semiconductor device having a protection pattern with two element separation regions." This invention describes a semiconductor device that features a circuit element region surrounded by a protective pattern. The protective pattern includes a first element separation region and a second element separation region, which is narrower than the first. This innovative design aims to improve the performance and durability of semiconductor devices.

Another notable patent is the "Method for manufacturing industrial products and combination of masks for manufacturing the same." This method outlines a process for creating industrial products by forming an intermediate product pattern and utilizing evaluation interconnects to detect defects in the manufacturing process. This approach enhances the quality control measures in industrial production.

Career Highlights

Yuuichi Tatsumi is currently employed at Kabushiki Kaisha Toshiba, a leading company in the technology sector. His work at Toshiba has allowed him to collaborate on various cutting-edge projects that push the boundaries of semiconductor technology.

Collaborations

Throughout his career, Tatsumi has worked alongside talented colleagues, including Hiroshi Iwahashi and Hidenobu Minagawa. Their collaborative efforts have contributed to the advancement of innovative solutions in the semiconductor industry.

Conclusion

Yuuichi Tatsumi's contributions to semiconductor technology through his patents and work at Toshiba highlight his role as a key innovator in the field. His inventions continue to influence the development of more efficient and reliable semiconductor devices.

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