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For the Inventor, By the Inventor

Yokohama, Japan

Toshimasa Kamisada

This inventor holds 21 USPTO granted patents, primarily in Optical Pickup Technology. Top assignees: Hitachi, Ltd., Hitachi Media Electronics Co., Ltd., Hitachi-Lg Data Storage, Inc.. Active years: 1988-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshimasa Kamisada. Retrieved from https://idiyas.com/inventor/toshimasa-kamisada

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 = 61.9

Average Co-Inventor Count = 3.5

ph-index = 6

Forward Citations = 85(Granted Patents)


Location History:

  • Hiratuka, JP (1989)
  • Hiratuska, JP (2007)
  • Hiratsuka, JP (1988 - 2009)
  • Yokohama, JP (2009 - 2012)
  • Tokyo, JP (2006 - 2022)

Company Filing History:

goldMedal9 out of 42,731 
 
Hitachi, Ltd.
 patents
silverMedal8 out of 203 
 
Hitachi Media Electronics Co., Ltd.
 patents
bronzeMedal3 out of 389 
 
Hitachi-Lg Data Storage, Inc.
 patents
4. 1 out of 67 
 
Hitachi Computer Peripherals Co., Ltd.
 patents
5. 1 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1988-2022

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Areas of Expertise:
Distance Measurement
Optical Pickup
Three-Dimensional Imaging
Focus Error Detection
Laser Module
Magneto-Optic Disk
Optical Head
Information Recording
Diffraction Grating
Tracking Error
Optical Disc Apparatus
21 patents (USPTO):Explore Patents
1. 11531102 - Distance measurement image pickup apparatus (2022-12-20),
2. 10838063 - Distance measurement apparatus and angle adjustment method of the same (2020-11-17),
3. 10614584 - Three-dimensional distance measurement apparatus (2020-04-07),
4. 8169880 - Optical pickup having radially arranged lenses in a low profile construction (2012-05-01),
5. 8154962 - Optical pickup and optical information recording and reproducing device (2012-04-10),
6. 8014258 - Optical pickup having radially arranged lenses in a low profile construction (2011-09-06),
7. 7978587 - Optical pickup apparatus and optical disc apparatus with a single beam system (2011-07-12),
8. 7940630 - Optical pick up apparatus with a single beam system and having a diffraction grating (2011-05-10),
9. 7885166 - Optical pick up apparatus with a single beam system and having a diffraction grating (2011-02-08),
10. 7733760 - Optical pickup having radially arranged lenses in a low profile construction (2010-06-08),
11. 7567495 - Optical pickup apparatus and optical disc apparatus using same (2009-07-28),
12. 7542396 - Information recording apparatus, information recording medium and information recording medium (2009-06-02),
13. 7379397 - Optical pickup and optical disc apparatus provided with the same (2008-05-27),
14. 7245574 - Optical head and its adjusting method and optical disk device using the same (2007-07-17),
15. 7076791 - Optical pickup and optical disc apparatus provided with the same (2006-07-11),

Title: The Innovative Journey of Toshimasa Kamisada

Introduction:

Toshimasa Kamisada, a pioneering inventor hailing from Yokohama, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents:

Kamisada's recent patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable health monitoring devices, and sustainable energy solutions.

Career Highlights:

With a career spanning over two decades, Kamisada has worked with leading tech companies in Japan, spearheading research and development projects that have led to numerous successful patent applications.

Collaborations:

Throughout his career, Kamisada has collaborated with top researchers and engineers in the field, fostering a culture of innovation and pushing the boundaries of what is possible in the tech industry.

Conclusion:

In conclusion, Toshimasa Kamisada's relentless pursuit of innovation and his passion for creating technology that improves lives have solidified his position as a respected inventor in Yokohama and beyond.

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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