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For the Inventor, By the Inventor

Hyogo, Japan

Yasuhiko Tsukikawa

This inventor holds 41 USPTO granted patents, primarily in Semiconductor Memory Devices. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Renesas Technology Corp., Zentel Japan Corporation. Active years: 1995-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiko Tsukikawa. Retrieved from https://idiyas.com/inventor/yasuhiko-tsukikawa

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

USPTO Granted Patents = 41

% Patents Active = 80.5

Average Co-Inventor Count = 1.6

ph-index = 11

Forward Citations = 345(Granted Patents)


Location History:

  • Hyogo, JP (1995 - 2007)
  • Tokyo, JP (2004 - 2021)

Company Filing History:

goldMedal27 out of 21,351 
 
Mitsubishi Denki Kabushiki Kaisha
 patents
silverMedal12 out of 3,781 
 
Renesas Technology Corp.
 patents
bronzeMedal2 out of 4 
 
Zentel Japan Corporation
 patents

Years Active: 1995-2021

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Areas of Expertise:
Semiconductor Memory Device
Low Voltage Operation
High Density Cells
Data Width Switching
Nonvolatile Memory
Test Mode
Delay Circuit
Integrated Device
Dynamic Memory
Synchronous Device
Output Noise Reduction
I/O Clamp Circuit
41 patents (USPTO):Explore Patents
1. 11200945 - Semiconductor memory device (2021-12-14),
2. 10991418 - Semiconductor memory device comprising an interface conforming to JEDEC standard and control device therefor (2021-04-27),
3. 7288965 - Semiconductor device and level conversion circuit (2007-10-30),
4. 7161387 - Semiconductor device and level conversion circuit (2007-01-09),
5. 7102935 - Semiconductor memory device driven with low voltage (2006-09-05),
6. 7072204 - Semiconductor memory device having dummy word line (2006-07-04),
7. 6934204 - Semiconductor device with reduced terminal input capacitance (2005-08-23),
8. 6903961 - Semiconductor memory device having twin-cell units (2005-06-07),
9. 6867994 - Semiconductor memory device with memory cells arranged in high density (2005-03-15),
10. 6787859 - Semiconductor memory device with shortened connection length among memory block, data buffer and data bus (2004-09-07),
11. 6735133 - Semiconductor memory circuit having normal operation mode and burn-in test mode (2004-05-11),
12. 6727738 - Configuration for generating a clock including a delay circuit and method thereof (2004-04-27),
13. 6717841 - Semiconductor memory device having nonvolatile memory cell of high operating stability (2004-04-06),
14. 6700406 - Multi-valued logical circuit with less latch-up (2004-03-02),
15. 6687174 - Semiconductor memory device capable of switching output data width (2004-02-03),

Title: Inventor Yasuhiko Tsukikawa

Introduction: Yasuhiko Tsukikawa is a renowned inventor based in Hyogo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Tsukikawa's latest patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable technology for healthcare monitoring, and sustainable energy solutions.

Career Highlights: With over two decades of experience in research and development, Tsukikawa has worked with leading tech companies to bring cutting-edge products to the market. His expertise lies in merging technology with sustainability for a better future.

Collaborations: Tsukikawa has collaborated with top universities and research institutions worldwide to further his inventions. His partnerships have led to the creation of patented technologies that have revolutionized various industries.

Conclusion: In conclusion, Yasuhiko Tsukikawa's passion for innovation and dedication to creating a positive impact through his inventions have solidified his position as a visionary inventor in the tech industry.

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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