Kazumi Nagayama

This inventor holds 11 USPTO granted patents and 2 published patent applications, plus 1 CIPO patent and 6 EPO patents. Top assignees: Panasonic Corporation, Panasonic Intellectual Property Management Co., Ltd., Matsushita Electric Industrial Co., Ltd.. Active years: 2004-2022.

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

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

USPTO Granted Patents = 11 (Patent Applications = 2)

% Patents Active = 90.9

CIPO Patents = 1

EPO Patents = 6 (Patent Applications = 5)

Average Co-Inventor Count = 5.4

ph-index = 5

Forward Citations = 58(Granted Patents)

Location History:

Nara, JP (2004 - 2013)
Kadoma, JP (2013)
Shiga, JP (2014 - 2022)

Company Filing History:

4 out of 16,454

Panasonic Corporation

patents

4 out of 13,338

Panasonic Intellectual Property Management Co., Ltd.

patents

3 out of 27,375

Matsushita Electric Industrial Co., Ltd.

patents

Years Active: 2004-2022

Loading Chart...

11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11220284 - Steering wheel heater (2022-01-11),

2. 9497801 - Seat heater (2016-11-15),

3. 9457701 - Seat heater and seat cover with same (2016-10-04),

4. 9204493 - Seat heater with over-temperature protection (2015-12-01),

5. 8814262 - Vehicle seat heater (2014-08-26),

6. 8450662 - Sheet heater (2013-05-28),

7. 8439437 - Seat with heating device (2013-05-14),

8. 8278602 - Heating element for steering wheel (2012-10-02),

9. 7244914 - Sheet heater (2007-07-17),

10. 6969827 - Heated seat assembly and method of manufacturing the same (2005-11-29),

11. 6710313 - Planar heating element (2004-03-23),

Title: Kazumi Nagayama: Innovator in Automotive Heating Technology

Introduction

Kazumi Nagayama is a prominent inventor based in Shiga, Japan. He has made significant contributions to the field of automotive heating technology, holding a total of 11 patents. His innovative designs focus on enhancing comfort and safety in vehicles.

Latest Patents

Nagayama's latest patents include a steering wheel heater and a seat heater. The steering wheel heater features a base material that wraps around the steering wheel, incorporating a heater wire that generates heat through an electric current. Additionally, it utilizes a sewing thread to secure the heater wire to the base material, which contains multiple through holes for effective heat distribution. The seat heater comprises warming heaters in both the seat and back sections, along with an overheating-prevention unit. This unit is designed to activate before reaching unsafe temperatures, ensuring both high output and safety in the heating process.

Career Highlights

Throughout his career, Kazumi Nagayama has worked with notable companies such as Panasonic Corporation and Panasonic Intellectual Property Management Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative heating technologies.

Collaborations

Nagayama has collaborated with talented individuals in the field, including Norio Abe and Naohito Asami. These partnerships have contributed to the advancement of his inventions and the overall progress in automotive heating solutions.

Conclusion

Kazumi Nagayama's work in automotive heating technology exemplifies innovation and dedication to enhancing user experience in vehicles. His patents reflect a commitment to safety and comfort, making him a noteworthy figure in the industry.

Profile summary based on public USPTO records.