Masanori Fujita

This inventor holds 50 USPTO granted patents and 2 published patent applications, plus 4 CIPO patents and 8 EPO patents, primarily in Mobile Communication. Top assignees: Ntt Docomo, Inc., Seikosha Co., Ltd., Kabushiki Kaisha Seikosha. Active years: 1977-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanori Fujita. Retrieved from https://idiyas.com/inventor/masanori-fujita

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

Calculating rank

USPTO Granted Patents = 50 (Patent Applications = 2)

% Patents Active = 72.0

CIPO Patents = 4

EPO Patents = 8 (Patent Applications = 3)

Average Co-Inventor Count = 2.0

ph-index = 13

Forward Citations = 676(Granted Patents)

Forward Citations (Not Self Cited) = 671(Dec 10, 2025)

Location History:

Matsudo, JA (1977 - 1978)
Matsudo, JP (1978 - 1980)
Narashino, JP (2001)
Yokohama, JP (2005 - 2012)
Miyagi, JP (2020)
Tokyo, JP (1980 - 2022)

Company Filing History:

Kabushiki Kaisha Seikosha

Networks Associates Technology, Inc.

Alps Alpine Co., Ltd.

Nec Compound Semiconductor Devices, Ltd.

patents

11. 3 out of 834,601

Other

patents

where one patent can have more than one assignee

Years Active: 1977-2025

Loading Chart...

Areas of Expertise:

Mobile Communication Terminal

Access Control System

Information Processing

Detection Method

Composite Molding Material

Electro-Optical Display

Piezoelectric Device

Liquid Crystal Display

50 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12276998 - Push-type input device and push-type shifter device (2025-04-14),

2. 11524428 - Cleaning agent for molding-machine cleaning and cleaning method (2022-12-13),

3. 10870346 - Shift lever mounting bracket and shift lever device (2020-12-22),

4. 10066085 - Composite molding material, injection-molded article, and method for manufacturing composite molding material (2018-09-04),

5. 8190138 - Mobile communication terminal to identify and report undesirable content (2012-05-29),

6. 8161068 - Access control system (2012-04-17),

7. 7929488 - Mobile terminal and communication system (2011-04-19),

8. 7890619 - Server apparatus, and information processing method for notifying of detection of computer virus (2011-02-15),

9. 7778660 - Mobile communications terminal, information transmitting system and information receiving method (2010-08-17),

10. 7725458 - Access control system and access control method (2010-05-25),

11. 7697653 - Mobile station and output control method (2010-04-13),

12. 7653417 - Mobile unit, call origination controlling method, and call termination controlling method (2010-01-26),

13. 7596601 - Mobile communication terminal, detection condition distribution server and detected mail notification receiving server (2009-09-29),

14. 7392043 - API system, method and computer program product for accessing content/security analysis functionality in a mobile communication framework (2008-06-24),

15. 7336975 - Mobile unit, call origination controlling method, and call termination controlling method (2008-02-26),

Title: Masanori Fujita: Innovator in Molding Technology

Introduction

Masanori Fujita is a prominent inventor based in Tokyo, Japan, renowned for his significant contributions to molding technology. With a remarkable portfolio of 32 patents, Fujita has demonstrated his expertise in developing innovative solutions for the manufacturing industry.

Latest Patents

Fujita's latest patents include a cleaning agent specifically designed for molding-machine cleaning, aimed at enhancing the initial cleaning effect and ensuring even distribution of residues in subsequent molded articles. This cleaning agent integrates a thermoplastic resin with glass wool, showcasing Fujita's commitment to improving manufacturing processes. Another of his notable patents involves a composite molding material that incorporates a thermoplastic resin along with reinforcing materials. This innovative composite comprises glass wool with a very fine average fiber diameter and specific pre-kneading fiber length, as well as fibrous reinforcing materials, designed to enhance the material properties of injection-molded articles.

Career Highlights

Throughout his career, Masanori Fujita has worked with esteemed companies such as Seikosha Co., Ltd. and Kabushiki Kaisha Seikosha. His work has not only advanced the technological capabilities of these organizations but has also contributed significantly to the field of material science and engineering.

Collaborations

Fujita has collaborated with notable colleagues in his field, including Shinichi Okamoto and Hirokazu Ono. These partnerships reflect a shared dedication to innovating and improving manufacturing techniques, further solidifying Fujita's impact on the industry.

Conclusion

Masanori Fujita's extensive patent portfolio and ongoing contributions to molding technology exemplify the importance of innovation in manufacturing. His work continues to influence the development of more efficient and effective products within the industry, making him a key figure among modern inventors.

Profile summary based on public USPTO records.