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For the Inventor, By the Inventor

Chigasaki, Japan

Makoto Sakai

This inventor holds 59 USPTO granted patents and 2 published patent applications and 6 EPO patents, primarily in Lighting Technology (CPC class F21V). Top assignees: Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba, Osram-Melco Toshiba Lighting Ltd.. Active years: 1995-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Sakai. Retrieved from https://idiyas.com/inventor/makoto-sakai

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

USPTO Granted Patents = 59 

% Patents Active = 61.0

 

Average Co-Inventor Count = 3.5

ph-index = 16

Forward Citations = 877(Granted Patents)

Forward Citations (Not Self Cited) = 865(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Ome, JP (2001)
  • Kumamoto, JP (2004)
  • Tokyo, JP (1995 - 2007)
  • Kanagawa-ken, JP (2004 - 2014)
  • Chigasaki, JP (2006 - 2014)
  • Kanagawa, JP (2005 - 2015)
  • Yokosuka, JP (2005 - 2015)

Company Filing History:

goldMedal38 out of 663 
 
Toshiba Lighting & Technology Corporation
 patents
silverMedal27 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents
bronzeMedal4 out of 6 
 
Osram-Melco Toshiba Lighting Ltd.
 patents
4. 4 out of 128 
 
Shin Caterpillar Mitsubishi Ltd.
 patents
5. 3 out of 10,092 
 
Honda Giken Kogyo Kabushiki Kaisha
 patents
6. 1 out of 13,420 
 
Nissan Motor Company Limited
 patents
where one patent can have more than one assignee

Years Active: 1995-2025

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Areas of Expertise:
LED Lamps
Self-Ballasted Lamps
Lighting Fixtures
Thermal Management
Lighting Devices
Bulb-Type Lamps
Socket Devices
Light Emitting Diodes
Luminaire
Lighting Systems
Halogen Bulbs
Image Forming Apparatus
59 patents (USPTO):Explore Patents
1. 12346045 - Heater and image forming apparatus (2025-07-01),
2. 12210304 - Heater and image forming apparatus (2025-01-28),
3. 8998457 - Self-ballasted lamp and lighting equipment having a support portion in contact with an inner circumference of a base body (2015-04-07),
4. 8975806 - Bulb-type lamp (2015-03-10),
5. 8963190 - Light-emitting device and lighting apparatus (2015-02-24),
6. 8899795 - Lamp device and lighting fixture including LED as light source and metallic cover (2014-12-02),
7. 8866385 - Self-ballasted lamp and lighting fixture (2014-10-21),
8. 8760042 - Lighting device having a through-hole and a groove portion formed in the thermally conductive main body (2014-06-24),
9. 8721125 - Self-ballasted lamp and lighting equipment (2014-05-13),
10. 8678618 - Self-ballasted lamp having a light-transmissive member in contact with light emitting elements and lighting equipment incorporating the same (2014-03-25),
11. 8618723 - Luminaire (2013-12-31),
12. 8613529 - Lighting fixture (2013-12-24),
13. 8540399 - Socket device (2013-09-24),
14. 8540396 - Lighting system (2013-09-24),
15. 8523402 - Socket device (2013-09-03),

Title: The Innovative Journey of Makoto Sakai

Introduction: Makoto Sakai, a pioneering inventor hailing from Chigasaki, Japan, has made significant contributions to the world of technology through his groundbreaking inventions and patents.

Latest Patents: Makoto Sakai's latest patents showcase his ongoing commitment to innovation in various fields such as robotics, artificial intelligence, and renewable energy sources.

Career Highlights: With a career spanning over two decades, Makoto Sakai has established himself as a leading figure in the tech industry, with a keen focus on developing cutting-edge solutions to complex problems.

Collaborations: Throughout his career, Makoto Sakai has collaborated with top research institutions, universities, and tech companies to bring his inventions to life and make a lasting impact on society.

Conclusion: Makoto Sakai's relentless pursuit of innovation and his passion for pushing the boundaries of technology have solidified his reputation as a visionary inventor in the global tech community.

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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