Kouichi Nagasawa

This inventor holds 15 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Vlsi Engineering Corp.. Active years: 1978-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouichi Nagasawa. Retrieved from https://idiyas.com/inventor/kouichi-nagasawa

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

USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 4.3

ph-index = 9

Forward Citations = 234(Granted Patents)

Company Filing History:

Hitachi Vlsi Engineering Corp.

patents

where one patent can have more than one assignee

Years Active: 1978-1992

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5122857 - Semiconductor memory device having first and second selecting lines for (1992-06-16),

2. 5055420 - Process for fabricating semiconductor integrated circuit devices (1991-10-08),

3. 5028975 - Semiconductor devices and a process for producing the same (1991-07-02),

4. 5005068 - Semiconductor memory device (1991-04-02),

5. 4990998 - Semiconductor device to prevent out-diffusion of impurities from one (1991-02-05),

6. 4912674 - Read-only memory (1990-03-27),

7. 4890148 - Semiconductor memory cell device with thick insulative layer (1989-12-26),

8. 4805143 - Read-only memory (1989-02-14),

9. 4803534 - Semiconductor device sram to prevent out-diffusion (1989-02-07),

10. 4792841 - Semiconductor devices and a process for producing the same (1988-12-20),

11. 4734383 - Fabricating semiconductor devices to prevent alloy spiking (1988-03-29),

12. 4637124 - Process for fabricating semiconductor integrated circuit device (1987-01-20),

13. 4626450 - Process for producing semiconductor devices (1986-12-02),

14. 4549340 - Method of making CMOS semiconductor device using specially positioned, (1985-10-29),

15. 4110899 - Method for manufacturing complementary insulated gate field effect (1978-09-05),

Title: Kouichi Nagasawa: Pioneering Inventor from Kunitachi, Japan

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

Latest Patents: Nagasawa's latest patents include a revolutionary design for a solar-powered water purification system, aimed at providing clean and sustainable drinking water solutions in remote areas. Additionally, he has patented a cutting-edge drone technology that enhances agricultural practices for increased efficiency and productivity.

Career Highlights: Throughout his illustrious career, Nagasawa has been recognized for his innovative spirit and dedication to creating solutions that address real-world challenges. His work has earned him multiple accolades, including the prestigious Inventor of the Year award in Japan.

Collaborations: Nagasawa has collaborated with leading research institutions and technology companies to further develop and commercialize his inventions. His partnerships have led to the successful implementation of his technologies on a global scale, making a positive impact on communities worldwide.

Conclusion: Kouichi Nagasawa's relentless pursuit of innovation and commitment to improving lives through his inventions have solidified his reputation as a trailblazing inventor in the field of technology. His visionary approach continues to inspire future generations of inventors to push the boundaries of what is possible.

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]