Mitsushige Kondo

This inventor holds 16 USPTO granted patents, primarily in Projection Display Technology. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1982-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mitsushige Kondo. Retrieved from https://idiyas.com/inventor/mitsushige-kondo

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

Calculating rank

USPTO Granted Patents = 16

% Patents Active = 100.0

Average Co-Inventor Count = 3.5

ph-index = 11

Forward Citations = 354(Granted Patents)

Location History:

Amagasaki, JP (1982)
Kyoto, JP (1987 - 1989)
Mitsubishi, JP (1989)
Nagaokakyo, JP (1985 - 1997)

Company Filing History:

16 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

patents

Years Active: 1982-1997

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Areas of Expertise:

Color Projection

Display Apparatus

Liquid Crystal

Optical Head

Laser

Diffraction Grating

Focusing Error

Tilt Immunization

Light Guide Tube

Interference Filter

Automatic Focusing

Optical Disc

16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5691785 - Color projection type display apparatus having three liquid displays of (1997-11-25),

2. 5570209 - Color projection type display apparatus having three liquid crystal (1996-10-29),

3. 5321789 - Projection display apparatus, and light guide tube/light valve for use (1994-06-14),

4. 5248518 - Projection cathode ray tube (1993-09-28),

5. 5142387 - Projection-type display device having light source means including a (1992-08-25),

6. 5138222 - Projection cathode ray tube having an interference filter (1992-08-11),

7. 5135300 - Projection color display apparatus (1992-08-04),

8. 5123729 - Projection display device (1992-06-23),

9. 4823335 - Optical head device having deflection means including means for reducing (1989-04-18),

10. 4817072 - Optical head utilizing diffraction grating (1989-03-28),

11. 4811329 - Optical head with laser having particular source of driving current (1989-03-07),

12. 4797545 - Optical head device having positionally adjustable parts (1989-01-10),

13. 4718052 - Head assembly for optical disc (1988-01-05),

14. 4672187 - Focusing error detecting device in head assembly for optical disc (1987-06-09),

15. 4502134 - Optical disc signal reproducing system with tilt immunization (1985-02-26),

Title: **Inventor Mitsushige Kondo: A Pioneer in Color Projection Technology**

Introduction

Mitsushige Kondo, an accomplished inventor based in Nagaokakyo, Japan, has made significant contributions to the field of color projection technology. With an impressive portfolio that includes 16 patents, Kondo stands out for his innovative designs that enhance visual display systems. His commitment to advancing technology has led to numerous breakthroughs, demonstrating a profound impact on viewing technologies.

Latest Patents

Among Kondo's latest inventions is a color projection type display apparatus that utilizes three liquid crystal display elements. This invention effectively employs a dichroic mirror to separate natural light into red, green, and blue illuminating rays. Each ray is used to illuminate its corresponding liquid crystal display element, controlled by specific image signals for precise transmittance at each pixel. The synthesized colored rays are then enlarged and projected onto a screen through a projecting lens. By incorporating a light source that converts natural light into a linearly polarized beam, Kondo's design ensures that the polarizing angles of the illuminating rays coincide, minimizing light loss and enhancing overall display quality.

Career Highlights

Kondo's career has been marked by his tenure at Mitsubishi Electric Corporation, where his innovative spirit has flourished. His work has not only contributed to the company's legacy but has also paved the way for advancements in visual technologies. Kondo's ability to merge creativity with engineering principles has resulted in patents that resonate with practical applications in modern display systems.

Collaborations

Collaboration has been a cornerstone of Kondo's work. He has teamed up with fellow innovators such as Shinsuke Shikama and Eiichi Toide. Their combined expertise has fostered a creative environment that encourages the exploration of new technologies and concepts, leading to significant developments in the field of color projection.

Conclusion

Mitsushige Kondo's contributions to color projection technology exemplify the essence of innovation. Through his patents and collaborative efforts, he continues to leave a lasting mark on the industry. As advancements in visual technology progress, Kondo's pioneering spirit will undoubtedly continue to inspire 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]