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For the Inventor, By the Inventor

Hyogo, Japan

Tadashi Renbutsu

This inventor holds 13 USPTO granted patents. Top assignees: Sanyo Electric Co., Ltd., Sanyo Technology Center (Shenzhen) Co., Ltd., Shenzhen Huaqiang Sanyo Technology Design Co., Ltd.. Active years: 1990-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Renbutsu. Retrieved from https://idiyas.com/inventor/tadashi-renbutsu

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

USPTO Granted Patents = 13

% Patents Active = 92.3

Average Co-Inventor Count = 4.5

ph-index = 5

Forward Citations = 96(Granted Patents)


Location History:

  • Anpachi, JP (1990)
  • Gifu, JP (1996)
  • Kasai, JP (2009 - 2010)
  • Hyogo, JP (2009 - 2013)

Company Filing History:

goldMedal13 out of 8,782 
 
Sanyo Electric Co., Ltd.
 patents
silverMedal6 out of 13 
 
Sanyo Technology Center (Shenzhen) Co., Ltd.
 patents
bronzeMedal3 out of 3 
 
Shenzhen Huaqiang Sanyo Technology Design Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1990-2013

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13 patents (USPTO):Explore Patents
1. 8511832 - Projection type image display apparatus with angled exhaust fan (2013-08-20),
2. 8107021 - Liquid crystal projection apparatus utilizing image synthesizing unit with liquid crystal panel holders (2012-01-31),
3. 8104902 - Projection image display apparatus having a noise removal filter portion (2012-01-31),
4. 7946712 - Projector apparatus equipped with a structure capable of shielding radiation and dissipating heat from a light source (2011-05-24),
5. 7943898 - Projector apparatus including a lower holder having lens and lamp fixing slots (2011-05-17),
6. 7922334 - Multistage cooling system for projector (2011-04-12),
7. 7845803 - Projector apparatus (2010-12-07),
8. 7753566 - Projection video display system (2010-07-13),
9. 7705922 - Projection type image display apparatus (2010-04-27),
10. 7553027 - Projector apparatus (2009-06-30),
11. 7513626 - Light source device and projection video display device having the same (2009-04-07),
12. 5491543 - Transfer roller controlled to position the paper in registration with (1996-02-13),
13. 4958823 - Paper feeding stand (1990-09-25),

Title: The Innovative Contributions of Tadashi Renbutsu

Introduction

Tadashi Renbutsu is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of projection technology, holding a total of 13 patents. His work has advanced the capabilities of image display apparatuses, making them more efficient and effective.

Latest Patents

Renbutsu's latest patents include a projection type image display apparatus with an angled exhaust fan. This innovative projector design features a first exhaust fan that discharges air from a light source lamp to the exterior, alongside a second exhaust fan that manages exhaust air from other components. The unique arrangement of these fans allows for improved cooling and noise reduction. Another notable patent is the projection image display apparatus with a noise removal filter portion. This design separates the noise removal filter from the power source unit, enhancing the cooling capability and reducing noise even at higher light source outputs.

Career Highlights

Throughout his career, Renbutsu has worked with prominent companies such as Sanyo Electric Co., Ltd. and Sanyo Technology Center (Shenzhen) Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced projection technologies.

Collaborations

Renbutsu has collaborated with talented individuals in the field, including Shoji Okazaki and Yanshan Huang. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Tadashi Renbutsu's contributions to projection technology are significant and impactful. His innovative patents and collaborations highlight his dedication to advancing the field. His work continues to influence the development of efficient and effective image display systems.

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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