logo

For the Inventor, By the Inventor

Tokyo, Japan

Takashi Hosoi

This inventor holds 21 USPTO granted patents. Top assignees: Kabushiki Kaisha Toshiba, Kel Corporation. Active years: 1990-1996.

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

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

USPTO Granted Patents = 21

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 17

Forward Citations = 686(Granted Patents)


Location History:

  • Ome, JP (1992)
  • Oome, JP (1992 - 1995)
  • Oume, JP (1990 - 1996)
  • Tokyo, JP (1991 - 1996)

Company Filing History:

goldMedal21 out of 53,250 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal3 out of 82 
 
Kel Corporation
 patents
where one patent can have more than one assignee

Years Active: 1990-1996

Loading Chart...
21 patents (USPTO):Explore Patents
1. 5500982 - Hinge mechanism for portable electronic apparatus (1996-03-26),
2. 5483418 - Portable electronic apparatus having a keyboard with a shielding plate (1996-01-09),
3. 5461546 - Connecting apparatus for connecting portable computers (1995-10-24),
4. 5355278 - Portable electronic apparatus having an electro-magnetic shield (1994-10-11),
5. 5335141 - Portable electronic apparatus having a removable keyboard secured to a (1994-08-02),
6. 5331508 - Portable electronic apparatus having a removable keyboard unit (1994-07-19),
7. 5321580 - Expansion device with power cord and guide groove for expanding (1994-06-14),
8. 5292267 - Connector unit with movable connector (1994-03-08),
9. 5255154 - Portable electronic apparatus with a latch mechanism including an (1993-10-19),
10. 5251096 - Portable electronic apparatus (1993-10-05),
11. 5210681 - Expansion device for expanding functions of compact electronic apparatus (1993-05-11),
12. 5195213 - Hinge device for coupling rotatable member to another member (1993-03-23),
13. 5182698 - Function expanding apparatus for compact electronic device (1993-01-26),
14. 5168429 - Electronic apparatus having a slidable pawl for removably connecting a (1992-12-01),
15. 5168423 - Portable electronic apparatus having a display unit rotating in vertical (1992-12-01),

Title: **Innovations of Takashi Hosoi: A Pioneer in Portable Electronic Apparatus**

Introduction

Takashi Hosoi, based in Tokyo, Japan, is a noteworthy inventor whose contributions to technology include an impressive 21 patented innovations. His expertise primarily lies in the development of portable electronic apparatus, showcasing his dedication to advancing user-friendly designs and mechanisms.

Latest Patents

Among his latest inventions, one remarkable patent focuses on a hinge mechanism for portable electronic apparatus. This innovation allows a display portion to fold down and be lifted with respect to the body portion, featuring a large-sized liquid crystal display. The hinge mechanism includes a unique design with a hinge member that boasts a pair of hinge shafts and a presser spring to enhance the functionality of the apparatus. Another significant invention involves a portable electronic apparatus equipped with a keyboard protected by a shielding plate. This design not only addresses electromagnetic noise but also includes a structure that allows for secure attachment between the cover and bottom case.

Career Highlights

Throughout his career, Takashi Hosoi has collaborated with respected companies, including Toshiba Corporation and Kel Corporation. His time at these organizations has propelled technological advancements in portable electronic devices, contributing to innovations that have significantly improved user experiences.

Collaborations

Takashi has worked alongside esteemed colleagues such as Keizo Ohgami and Takaichi Kobayashi. These collaborations have further enriched his work and resulted in impactful inventions that continue to influence the field of electronics.

Conclusion

Takashi Hosoi's innovative spirit and engineering skills have led to the development of groundbreaking technologies within the field of portable electronics. His 21 patents illustrate his commitment to improving device functionality and user interaction, making him a notable figure among contemporary inventors. The impact of his work continues to reverberate in the industry, inspiring future generations of inventors.

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…