Naofumi Fujie

This inventor holds 31 USPTO granted patents, primarily in Automotive Technology. Top assignees: Aisin Seiki Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha. Active years: 1983-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naofumi Fujie. Retrieved from https://idiyas.com/inventor/naofumi-fujie

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

USPTO Granted Patents = 31

% Patents Active = 100.0

Average Co-Inventor Count = 3.6

ph-index = 16

Forward Citations = 560(Granted Patents)

Location History:

Tokyo, JP (1983 - 1984)
Aichi, JP (1991 - 1992)
Aichi pref., JP (1997)
Nagoya, JP (1990 - 1999)
Aichi-pref, JP (1999)

Company Filing History:

31 out of 5,207

Aisin Seiki Kabushiki Kaisha

patents

2 out of 38,912

Toyota Jidosha Kabushiki Kaisha

patents

where one patent can have more than one assignee

Years Active: 1983-1999

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Areas of Expertise:

Occupant Sensing

Self-Cleaning Mirrors

Pressure Sensitive Switch

Vehicle Sunroof

Power Window Regulator

Vibratory Motor

Ultrasonic Motor

Cleaning Apparatus

Door Lock Mechanism

Vehicle Mirror

Actuator Control System

Structural Shapes

31 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5965856 - Pressure sensitive switch (1999-10-12),

2. 5896090 - Occupant sensing apparatus (1999-04-20),

3. 5895900 - Pressure sensitive seat switch with air vent passages (1999-04-20),

4. 5769471 - Apparatus for unlocking a door lock for a vehicle (1998-06-23),

5. 5749173 - Power window regulator apparatus (1998-05-12),

6. 5720523 - Seat structure for vehicles with occupant detector (1998-02-24),

7. 5640869 - Method for producing rolled structural shapes (1997-06-24),

8. 5558394 - Vehicle sunroof (1996-09-24),

9. 5475530 - Outside mirror for a vehicle (1995-12-12),

10. 5466038 - Sliding roof device (1995-11-14),

11. 5375014 - Vehicle retractable mirror device (1994-12-20),

12. 5323265 - Outside mirror for vehicle including a vibrator fixed to a one-piece (1994-06-21),

13. 5299060 - Mirror device including an elastic seal member and a vibrator for an (1994-03-29),

14. 5223976 - Vehicle mirror including an anti-halation mirror member a piezo-electric (1993-06-29),

15. 5170288 - Self-cleaning apparatus for removal of foreign substances from a (1992-12-08),

Title: Naofumi Fujie: Innovator in Pressure Sensitive Switch Technologies

Introduction

Naofumi Fujie, a prolific inventor based in Nagoya, Japan, holds an impressive portfolio of 31 patents. His work primarily focuses on innovations in pressure sensitive switch technologies, which are integral to various electronic devices.

Latest Patents

Among his latest contributions, Fujie developed a novel pressure sensitive switch comprising a sheet-like structure. In this design, a spacer of insulating material is inserted between two films, each equipped with its own electrode. This configuration allows for an air gap between the electrodes, ensuring functionality under pressure. Depending on the embodiment, the films are composed of either polyethylene naphthalate or polyethylene terephthalate, showcasing his versatility in material application. Another patent details a pressure sensitive seat switch that incorporates air vent passages, which improve responsiveness and sensitivity of the switch by facilitating air communication through its insulating spacer.

Career Highlights

Fujie's career is marked by significant industry collaborations. He has worked with prominent companies such as Aisin Seiki Co., Ltd. and Toyota Motor Corporation, contributing valuable innovations that enhance product offerings in the automotive and electronics sectors. His expertise has led to the successful implementation of cutting-edge technologies that improve user interaction with various devices.

Collaborations

Throughout his career, Naofumi Fujie has collaborated with notable colleagues, including Koji Ito and Shoji Okada. These partnerships have fostered an environment of creativity and innovation, driving forward the development of advanced technologies in their fields.

Conclusion

Naofumi Fujie's contribution to pressure sensitive switch technology exemplifies the impact of innovation in enhancing modern electronics. With a total of 31 patents, he continues to be a significant player in the industry, advocating for continued advancement and application of effective solutions in 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]