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For the Inventor, By the Inventor

Tokyo, Japan

Koji Nii

This inventor holds 120 USPTO granted patents and 2 published patent applications and 1 EPO patent, primarily in Semiconductor Memory (CPC class G11C11-412). Top assignees: Renesas Technology Corp., Renesas Electronics Corporation, Mitsubishi Denki Kabushiki Kaisha. Active years: 1995-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Nii. Retrieved from https://idiyas.com/inventor/koji-nii

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 120 

% Patents Active = 71.7


Average Co-Inventor Count = 1.6

ph-index = 19

Forward Citations = 1,984(Granted Patents)

Forward Citations (Not Self Cited) = 1,809(Dec 10, 2025)


Inventors with similar research interests:

🔬 See more inventors

Location History:

  • Itami, JP (1995 - 1998)
  • Hyogo, JP (1996 - 2012)
  • Kawanishi, JP (2006 - 2015)
  • Kawasaki, JP (2016)
  • Kanagawa, JP (2013 - 2018)
  • Tokyo, JP (1998 - 2020)

Company Filing History:

goldMedal49 out of 3,781 
 
Renesas Technology Corp.
 patents
silverMedal46 out of 7,661 
 
Renesas Electronics Corporation
 patents
bronzeMedal20 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents
4. 1 out of 26 
 
Attopsemi Technology Co., Ltd
 patents
5. 1 out of 6 
 
Renesas Electronics Coporation
 patents
6. 1 out of 3 
 
Renesas Electronics Corportion
 patents
7. 1 out of 43,553 
 
Taiwan Semiconductor Manufacturing Comp. Ltd.
 patents
8. 1 out of 7,294 
 
United Microelectronics Corp.
 patents
9. 1 out of 834,659 
Other
 patents
where one patent can have more than one assignee

Years Active: 1995-2026

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Areas of Expertise:
Memory Devices
Bit Line Capacitance
Programmable Resistive Memory
Static RAM
Low Power Consumption
Dual Port Memory
Integrated Circuit
Chip Identification
Data Stability
Manufacturing Methods
Timing Control
120 patents (USPTO):Explore Patents
1. 12525261 - Memory devices with reduced bit line capacitance and methods of manufacturing thereof (2026-01-13),
2. 10770160 - Programmable resistive memory formed by bit slices from a standard cell library (2020-09-08),
3. 10734063 - Semiconductor device (2020-08-04),
4. 10706917 - Semiconductor memory device (2020-07-07),
5. 10644009 - Semiconductor memory device (2020-05-05),
6. 10580490 - Semiconductor device (2020-03-03),
7. RE47831 - Semiconductor memory (2020-01-27),
8. 10510761 - Static random access memory device with halo regions having different impurity concentrations (2019-12-17),
9. RE47679 - Semiconductor memory (2019-10-28),
10. 10381056 - Dual port static random access memory (DPSRAM) cell (2019-08-13),
11. 10262720 - Semiconductor device (2019-04-16),
12. 10262707 - Semiconductor memory device for stably reading and writing data (2019-04-16),
13. 10242733 - Semiconductor memory device that can stably perform writing and reading without increasing current consumption even with a low power supply voltage (2019-03-26),
14. 10217751 - Static random access memory device with halo regions having different impurity concentrations (2019-02-26),
15. 10032781 - Static random access memory device with halo regions having different impurity concentrations (2018-07-24),

Sure, I can help you with that. Here is the article about inventor Koji Nii:

Title: The Inventor Extraordinaire: Koji Nii Shaping The Future in Tokyo

Introduction:

In the realm of innovations and technological breakthroughs, inventor Koji Nii stands out as a pioneer in Tokyo, Japan. With an impressive portfolio of 119 patents, Nii's contributions have significantly influenced the semiconductor industry and beyond.

Latest Patents:

Koji Nii's latest patents showcase his expertise in cutting-edge technologies. One notable invention is the "Programmable Resistive Memory formed by bit slices from a standard cell library." This revolutionary architecture and design enable the creation of a Programmable Resistive Device (PRD) memory within a standard cell library, enhancing efficiency and performance in semiconductor devices. Additionally, Nii's invention of a "Semiconductor Device" demonstrates his ingenuity in optimizing data transmission and logical operations within semiconductor structures.

Career Highlights:

Having worked in renowned companies such as Renesas Technology Corp. and Renesas Electronics Corporation, Koji Nii has a rich history of contributing to the advancement of semiconductor technologies. His innovative spirit and dedication to excellence have solidified his reputation as a trailblazer in the industry.

Collaborations:

In his journey of innovation, Koji Nii has collaborated with talented individuals such as Makoto Yabuuchi and Yasumasa Tsukamoto. Together, they have synergized their expertise to drive forward groundbreaking inventions and propel technological progress.

Conclusion:

In conclusion, Koji Nii's exceptional talent and relentless pursuit of innovation have positioned him as a visionary inventor in Tokyo, Japan. His patents and contributions continue to shape the landscape of technology, inspiring future generations of inventors to push the boundaries of what is possible.

If you need further information or details, feel free to reach out!

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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