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For the Inventor, By the Inventor

Kyoto, Japan

Hiroshi Tamagawa

This inventor holds 23 USPTO granted patents, primarily in Chip Components. Top assignee: Rohm Co., Ltd.. Active years: 2015-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Tamagawa. Retrieved from https://idiyas.com/inventor/hiroshi-tamagawa

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

USPTO Granted Patents = 23

% Patents Active = 91.3

Average Co-Inventor Count = 3.2

ph-index = 2

Forward Citations = 16(Granted Patents)


Company Filing History:

goldMedal23 out of 6,021 
 
Rohm Co., Ltd.
 patents

Years Active: 2015-2020

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Areas of Expertise:
Chip Resistor
Chip Capacitor
Electronic Equipment
Circuit Assembly
Manufacturing Method
Mounting Substrate
Composite Chip Component
Electronic Device
Resistance Circuit Network
Chip Part
23 patents (USPTO):Explore Patents
1. 10833145 - Chip resistor and electronic equipment having resistance circuit network (2020-11-10),
2. 10763016 - Method of manufacturing a chip component (2020-09-01),
3. 10681815 - Composite chip component, circuit assembly and electronic apparatus (2020-06-09),
4. 10593480 - Chip capacitor, circuit assembly, and electronic device (2020-03-17),
5. 10446302 - Chip resistor and methods of producing the same (2019-10-15),
6. 10410772 - Chip resistor (2019-09-10),
7. 10361182 - Chip parts and method for manufacturing the same, circuit assembly having the chip parts and electronic device (2019-07-23),
8. 10342138 - Chip part and manufacturing method thereof (2019-07-02),
9. 10321570 - Composite chip component, circuit assembly and electronic apparatus (2019-06-11),
10. 10224391 - Chip resistor and electronic equipment having resistance circuit network (2019-03-05),
11. 10210971 - Chip component (2019-02-19),
12. 10178768 - Mounting substrate, method for manufacturing a mounting substrate, and mounted structure including an electronic component (2019-01-08),
13. 10128163 - Chip part and method for manufacturing a chip part (2018-11-13),
14. 10026557 - Chip capacitor, circuit assembly, and electronic device (2018-07-17),
15. 9972427 - Chip component and method of producing the same (2018-05-15),

Title: Hiroshi Tamagawa: Innovator in Chip Resistor Technology

Introduction

Hiroshi Tamagawa, based in Kyoto, Japan, is a distinguished inventor renowned for his significant contributions to the field of electronic components. With an impressive portfolio of 23 patents, Tamagawa has focused his efforts on creating advanced technologies that enhance the functionality and efficiency of electronic devices.

Latest Patents

Among his latest innovations are two notable patents: the "Chip Resistor" and the "Method of Manufacturing a Chip Component." The chip resistor patent describes a compact, refined device capable of accommodating multiple resistance values within the same design structure. This chip resistor incorporates a resistor network on a substrate, featuring several resistor bodies arranged in a matrix and electrically connected to create various resistance units. The innovative design allows for selective fusion of connecting fuse films, enabling the resistance unit to integrate into or separate from the resistor network as needed, thus achieving the required resistance value.

In addition, the "Method of Manufacturing a Chip Component" outlines a novel approach to fabricate chip components by forming multiple element parts on a substrate. This method includes the formation of fuses that electrically connect each element part to an external connection electrode, which is created through electroless plating on the substrate. These advancements exemplify Tamagawa's commitment to enhancing the manufacturing processes of electronic devices.

Career Highlights

Tamagawa has built a successful career at Rohm Co., Ltd., where he has played a pivotal role in the development of innovative electronic components. His expertise and inventive spirit have positioned him as a key figure within the company, contributing to its reputation for quality and innovation.

Collaborations

Throughout his career, Hiroshi Tamagawa has collaborated with talented colleagues, including Yasuhiro Kondo and Katsuya Matsuura. Together, they have contributed to several projects, driving advancements in their respective fields and fostering a collaborative environment that encourages creativity and innovation.

Conclusion

Hiroshi Tamagawa stands out as a leading inventor in the realm of electronic components, particularly with his innovations in chip resistors and manufacturing methods. His 23 patents reflect his dedication to technological progress and the enhancement of electronic device functionality, making significant strides in the industry. With his continued contributions, Tamagawa remains a prominent figure in the field of innovations and inventions.

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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