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For the Inventor, By the Inventor

Miura, Japan

Takahiko Yoshida

This inventor holds 12 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1987-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahiko Yoshida. Retrieved from https://idiyas.com/inventor/takahiko-yoshida-a6yj7lcc

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

Calculating rank
USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 10

Forward Citations = 207(Granted Patents)


Location History:

  • Ebina, JP (1987 - 1992)
  • Kanagawa, JP (1993)
  • Miura, JP (1993 - 1999)

Company Filing History:

goldMedal12 out of 42,752 
 
Hitachi, Ltd.
 patents

Years Active: 1987-1999

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12 patents (USPTO):Explore Patents
1. 5926153 - Multi-display apparatus (1999-07-20),
2. 5808704 - Rear projection type image display apparatus (1998-09-15),
3. 5613748 - Rear projection type image display apparatus and transmission type (1997-03-25),
4. 5590943 - Rear projection type image display apparatus and transmission type (1997-01-07),
5. 5513037 - Rear-projection screen and a rear projection image display employing the (1996-04-30),
6. 5485308 - Rear-projection type image display apparatus and rear-projection type (1996-01-16),
7. 5400114 - Rear-projection screen and a rear projection image display employing the (1995-03-21),
8. 5272540 - Temperature compensating lens system for projection television (1993-12-21),
9. 5255122 - Projection lens system for projection type television (1993-10-19),
10. 5200814 - Video projector with optical color balance (1993-04-06),
11. 5103302 - Optical system for projection type image display device (1992-04-07),
12. 4704618 - Signal-processing circuit for heat-sensitive recording apparatus (1987-11-03),

Title: **Takahiko Yoshida: A Visionary in Multi-Display Technology**

Introduction

Takahiko Yoshida, an innovative inventor based in Miura, Japan, holds a remarkable portfolio of 12 patents. His work is primarily focused on the development of advanced display technologies that enhance visual experiences through innovative designs and functionalities.

Latest Patents

Among his latest contributions to the field, Yoshida has developed a **multi-display apparatus**. This apparatus integrates multiple rear projection-type display devices, enabling the projection of image sources onto a rear projection surface. This technology allows for the formation of large, immersive picture images on a concave front viewing surface, effectively enhancing the viewer's experience. The design includes a light-absorbing portion that mitigates the degradation of picture quality from external light interference.

In addition, Yoshida created a **rear projection type image display apparatus** that optimizes the arrangement of optical and electrical components. This invention has a reduced projection distance and a compact design, allowing it to be installed seamlessly along walls and in corners, thereby saving space without sacrificing functionality.

Career Highlights

Yoshida has made significant strides in his career at Hitachi, Ltd., contributing to the evolution of display technologies that push the boundaries of conventional viewing methods. His work has been instrumental in developing systems that are both sophisticated in design and practical in utility, reflecting his commitment to innovation.

Collaborations

Throughout his career, Yoshida has worked alongside talented professionals, including notable coworkers Hiroki Yoshikawa and Koji Hirata. Their collaborative efforts have undoubtedly fostered a creative environment conducive to breakthroughs in technology.

Conclusion

With a strong foundation built on 12 patents and innovative contributions to the display industry, Takahiko Yoshida continues to be an influential figure at Hitachi, Ltd. His dedication to enhancing visual technology showcases the power of innovation in shaping the future of multimedia experiences.

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]
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