logo

For the Inventor, By the Inventor

Kanagawa, Japan

Takashi Nagayama

This inventor holds 11 USPTO granted patents and 2 EPO patents. Top assignees: Kabushiki Kaisha Toshiba, Fujifilm Finechemicals Co., Ltd., Toshiba Corporation. Active years: 1992-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Nagayama. Retrieved from https://idiyas.com/inventor/takashi-nagayama

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 = 90.9


Average Co-Inventor Count = 2.3

ph-index = 5

Forward Citations = 94(Granted Patents)


Location History:

  • Yokohama, JP (1992 - 2005)
  • Kanagawa-ken, JP (2008 - 2016)
  • Kanagawa, JP (2011 - 2016)
  • Hiratsuka, JP (2018)

Company Filing History:

goldMedal6 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal2 out of 9 
 
Fujifilm Finechemicals Co., Ltd.
 patents
bronzeMedal2 out of 193 
 
Toshiba Corporation
 patents
4. 1 out of 834,513 
Other
 patents

Years Active: 1992-2018

Loading Chart...
Loading Chart...
11 patents (USPTO):Explore Patents
1. 9896408 - Method for producing azido-amine derivative (2018-02-20),
2. 9450473 - Motor for vehicle and railway vehicle (2016-09-20),
3. 9300191 - Enclosed electric motor with ventilation (2016-03-29),
4. 8659215 - Motor (2014-02-25),
5. 8536744 - Traction motor (2013-09-17),
6. 7973056 - Triazole derivative or salt thereof (2011-07-05),
7. 7642680 - Rotary electrical machine (2010-01-05),
8. 7462964 - Fully-enclosed fan-cooled motor (2008-12-09),
9. 6891290 - Fully enclosed type motor with outer fans (2005-05-10),
10. 6774514 - Totally enclosed type driving electric motor (2004-08-10),
11. 5084641 - Air-cooled type induction motor for use in vehicles having means to (1992-01-28),

Title: The Innovative Contributions of Takashi Nagayama

Introduction

Takashi Nagayama is a prominent inventor based in Kanagawa-ken, Japan. He has made significant contributions to the field of technology, holding a total of 11 patents. His work reflects a commitment to innovation and advancement in various engineering domains.

Latest Patents

One of his latest patents is a method for producing an azido-amine derivative. This method involves obtaining an azido-amine derivative and extracting it using an aromatic solvent or an ether solvent. Another notable patent is for a motor designed for vehicles and railway vehicles. This motor features a casing that accommodates a rotor and a stator iron core, with a unique design that includes an air inlet port and a fan that rotates with the rotor shaft. The design of the casing is innovative, as it forms a discharge channel that enhances the motor's efficiency.

Career Highlights

Throughout his career, Takashi Nagayama has worked with notable companies, including Kabushiki Kaisha Toshiba and Toshiba Corporation. His experience in these organizations has allowed him to develop and refine his inventive skills, contributing to various technological advancements.

Collaborations

He has collaborated with esteemed colleagues such as Shigetomo Shiraishi and Minoru Kitamura. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Takashi Nagayama's contributions to innovation and technology are noteworthy. His patents and collaborations reflect a dedication to advancing engineering solutions. His work continues to inspire future inventors and engineers in the field.

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]
Loading…