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For the Inventor, By the Inventor

Yokohama, Japan

Masayuki Otsuka

This inventor holds 18 USPTO granted patents and 2 published patent applications, primarily in Semiconductor Devices. Top assignees: Lapis Semiconductor Co., Ltd., Oki Electric Industry Co., Ltd., Lapis Technology Co., Ltd.. Active years: 2002-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Otsuka. Retrieved from https://idiyas.com/inventor/masayuki-otsuka

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

Calculating rank
USPTO Granted Patents = 18 

% Patents Active = 61.1

Average Co-Inventor Count = 1.1

ph-index = 3

Forward Citations = 24(Granted Patents)


Location History:

  • Tokyo, JP (2002 - 2014)
  • Kanagawa, JP (2004 - 2020)
  • Yokohama, JP (2015 - 2023)

Company Filing History:

goldMedal12 out of 702 
 
Lapis Semiconductor Co., Ltd.
 patents
silverMedal5 out of 4,980 
 
Oki Electric Industry Co., Ltd.
 patents
bronzeMedal1 out of 80 
 
Lapis Technology Co., Ltd.
 patents

Years Active: 2002-2023

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Areas of Expertise:
Integrated Circuit
Capacitance Sensor
Non-Volatile Memory
Voltage Regulator
Sense Amplifier
Storage Device
Power Supply Circuit
Semiconductor Technology
Memory Cell
Test Method
Boosting Circuit
Programmable Read-Only Memory
18 patents (USPTO):Explore Patents
1. 11831281 - Semiconductor integrated circuit (2023-11-28),
2. 11674857 - Semiconductor device and capacitance sensor device (2023-06-13),
3. 11635309 - Semiconductor device and capacitance sensor circuit (2023-04-25),
4. 11368128 - Capacitance sensor circuit and semiconductor integrated circuit (2022-06-21),
5. 10673326 - Semiconductor device including boosting circuit with plural pump circuits (2020-06-02),
6. 10366764 - Sense amplifier for detecting data read from memory cell (2019-07-30),
7. 9928921 - Non-volatile memory, semiconductor device and reading method (2018-03-27),
8. 9602003 - Voltage regulator, semiconductor device, and voltage generation method for voltage regulator (2017-03-21),
9. 9461056 - Non-volatile memory and semiconductor device (2016-10-04),
10. 9368227 - Semiconductor device and test method (2016-06-14),
11. 9293219 - Non-volatile memory, semiconductor device and reading method (2016-03-22),
12. 9202589 - Non-volatile memory and semiconductor device (2015-12-01),
13. 8848416 - Semiconductor storage device with wiring that conserves space (2014-09-30),
14. 7034605 - Internal step-down power supply circuit (2006-04-25),
15. 6885237 - Internal step-down power supply circuit (2005-04-26),

Title: The Innovative Journey of Masayuki Otsuka

Introduction: Masayuki Otsuka is a pioneering inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Masayuki Otsuka holds several recent patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Masayuki Otsuka has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant technological breakthroughs. His expertise in merging cutting-edge technology with practical applications has earned him recognition in the industry.

Collaborations: Throughout his career, Masayuki Otsuka has collaborated with top researchers, engineers, and scientists both locally and internationally. These collaborations have not only enriched his own work but have also contributed to the collective advancement of technology on a global scale.

Conclusion: Masayuki Otsuka's relentless pursuit of innovation and his passion for creating technology that makes a difference have solidified his position as a respected figure in the world of inventors. His work continues to inspire future generations of innovators to push the boundaries of what is possible in the realm of technology.

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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