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For the Inventor, By the Inventor

Kyoto, Japan

Norihiro Maeda

This inventor holds 7 USPTO granted patents. Top assignee: Rohm Co., Ltd.. Active years: 2005-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norihiro Maeda. Retrieved from https://idiyas.com/inventor/norihiro-maeda

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 = 1.7

ph-index = 2

Forward Citations = 18(Granted Patents)


Company Filing History:

goldMedal7 out of 6,021 
 
Rohm Co., Ltd.
 patents

Years Active: 2005-2016

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7 patents (USPTO):Explore Patents
1. 9509208 - Load driving device and electronic device using same (2016-11-29),
2. 9329023 - Rotation control apparatus and method and disk driving apparatus using the same (2016-05-03),
3. 7863844 - Rotation control apparatus and method, and electronic device wherein the rotation control apparatus can be used (2011-01-04),
4. 7492113 - Brushless motor drive control circuit and brushless motor device using the same (2009-02-17),
5. 7173476 - Semiconductor integrated circuit device (2007-02-06),
6. 6980044 - Power element protection circuit and semiconductor device incorporating it (2005-12-27),
7. 6922032 - Electric motor control device (2005-07-26),

Title: Norihiro Maeda: Innovator in Load Driving and Rotation Control Technologies

Introduction

Norihiro Maeda is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the fields of load driving devices and rotation control technologies. With a total of 7 patents to his name, Maeda continues to push the boundaries of innovation in his industry.

Latest Patents

Maeda's latest patents include a load driving device and an electronic device utilizing the same. This load driving device features an internal circuit that operates in response to a power supply voltage. It also includes an output circuit designed to drive a load based on the supplied voltage. Additionally, the device is equipped with an abnormality detection circuit that monitors the power supply voltage and generates an abnormality detection signal. A power supply switch is also integrated, which conducts or cuts off the power supply line based on the detection signal.

Another notable patent is a rotation control apparatus and method, along with a disk driving apparatus that employs this technology. This apparatus includes a controller that supplies test currents to various paths of a motor when it is stopped. A stop position detector is also part of the system, which detects the motor's rotational position based on the order of current values of the test currents. The controller measures the time taken for the detection voltage to reach a reference voltage and sets the electrical conduction time of the test currents accordingly.

Career Highlights

Norihiro Maeda is currently employed at Rohm Co., Ltd., a leading company in the semiconductor industry. His work at Rohm has allowed him to develop innovative technologies that enhance the performance and reliability of electronic devices.

Collaborations

Throughout his career, Maeda has collaborated with notable colleagues such as Seiichi Yamamoto and Toyokazu Ueda. These collaborations have contributed to the advancement of technology in their respective fields.

Conclusion

Norihiro Maeda is a distinguished inventor whose work in load driving and rotation control technologies has made a significant impact. His innovative patents and contributions to Rohm Co., Ltd. highlight his dedication to advancing 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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