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For the Inventor, By the Inventor

Yokohama, Japan

Hisao Ohtake

This inventor holds 7 USPTO granted patents. Top assignee: Lapis Semiconductor Co., Ltd.. Active years: 2014-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisao Ohtake. Retrieved from https://idiyas.com/inventor/hisao-ohtake-d95mtdmv

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

USPTO Granted Patents = 7

% Patents Active = 85.7

Average Co-Inventor Count = 1.3

ph-index = 2

Forward Citations = 7(Granted Patents)


Location History:

  • Kanagawa, JP (2014 - 2019)
  • Yokohama, JP (2015 - 2023)

Company Filing History:

goldMedal7 out of 702 
 
Lapis Semiconductor Co., Ltd.
 patents

Years Active: 2014-2023

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7 patents (USPTO):Explore Patents
1. 11688896 - Cell count determination device, charger, battery pack, and charging system (2023-06-27),
2. 10700053 - Electrostatic protection element (2020-06-30),
3. 10401434 - Semiconductor device, battery monitoring device, and voltage detection method of battery cell (2019-09-03),
4. 9759781 - Battery monitoring system and battery monitoring chip (2017-09-12),
5. 9576898 - Resistance structure, integrated circuit, and method of fabricating resistance structure (2017-02-21),
6. 9070618 - Resistance structure, integrated circuit, and method of fabricating resistance structure (2015-06-30),
7. 8823137 - Semiconductor device (2014-09-02),

Title: Hisao Ohtake: Innovator in Battery Technology

Introduction

Hisao Ohtake is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of battery technology, holding a total of 7 patents. His work focuses on enhancing the efficiency and functionality of battery systems.

Latest Patents

Among Hisao Ohtake's latest patents is a cell count determination device designed to accurately determine the number of battery cells within a battery pack. This device utilizes a series of switch elements that can change states based on the presence of corresponding battery cells. Another notable invention is an electrostatic protection element, which features a complex structure involving a substrate, an epitaxial layer, and a transistor, aimed at improving the reliability of electronic devices.

Career Highlights

Hisao Ohtake is currently associated with Lapis Semiconductor Co., Ltd., where he continues to innovate in the field of semiconductor technology. His expertise in battery systems has positioned him as a key figure in the industry.

Collaborations

Hisao Ohtake has collaborated with notable colleagues, including Hidekazu Kikuchi and Danya Sugai, contributing to various projects that enhance battery technology and semiconductor applications.

Conclusion

Hisao Ohtake's contributions to battery technology and semiconductor innovation underscore his role as a leading inventor in the field. His patents reflect a commitment to advancing technology for better energy solutions.

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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