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For the Inventor, By the Inventor

Kyoto, Japan

Fumiaki Tagashira

This inventor holds 11 USPTO granted patents. Top assignee: Rohm Co., Ltd.. Active years: 1993-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumiaki Tagashira. Retrieved from https://idiyas.com/inventor/fumiaki-tagashira

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

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 5

Forward Citations = 61(Granted Patents)


Company Filing History:

goldMedal11 out of 6,021 
 
Rohm Co., Ltd.
 patents

Years Active: 1993-1999

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11 patents (USPTO):Explore Patents
1. 5914743 - Thermal head (1999-06-22),
2. 5416501 - Thermal head having substantially flush adjacent head substrates (1995-05-16),
3. 5391861 - Heater for sheet material (1995-02-21),
4. 5361086 - Divisional-type thermal printhead (1994-11-01),
5. 5338919 - Heater for sheet material and method for adjusting resistance of same (1994-08-16),
6. 5306898 - Heater for sheet material (1994-04-26),
7. 5304784 - Heater for sheet material (1994-04-19),
8. 5285049 - Heater for sheet material (1994-02-08),
9. 5267394 - Method of manufacturing long and narrow electronic part (1993-12-07),
10. 5241326 - Line-type thermal printing head (1993-08-31),
11. 5222291 - Method of making unit heads for divisional-type thermal head (1993-06-29),

Title: Fumiaki Tagashira: Innovator in Thermal Head Technology

Introduction

Fumiaki Tagashira is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of thermal head technology, holding a total of 11 patents. His innovative designs have advanced the efficiency and functionality of thermal printing systems.

Latest Patents

Among his latest patents is a thermal head that consists of one or more substrates. Each substrate comprises a heating element, common electrodes arranged on one side, and individual electrodes on the opposite side. The design allows for the manufacturing of multiple substrates with identical electrode patterns, simplifying wiring and ensuring a consistent data transfer direction. Another notable patent involves a thermal head with flush adjacent head substrates. This design features a base plate with holes that allow for precise placement and bonding of head substrates, ensuring that there is no level difference at the joint, even when subjected to heat expansion.

Career Highlights

Fumiaki Tagashira has dedicated his career to advancing thermal head technology. His work at Rohm Co., Ltd. has positioned him as a key figure in the development of innovative thermal printing solutions. His patents reflect a deep understanding of the technical challenges in this field and a commitment to overcoming them.

Collaborations

Throughout his career, Tagashira has collaborated with notable colleagues, including Shigeo Ota and Shingo Ooyama. These partnerships have fostered a creative environment that has led to groundbreaking advancements in thermal head technology.

Conclusion

Fumiaki Tagashira's contributions to thermal head technology have significantly impacted the industry. His innovative patents and collaborative efforts continue to shape the future of thermal printing 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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