Nozomu Kitagishi

This inventor holds 54 USPTO granted patents, primarily in Optical Systems (CPC class 3504). Top assignee: Canon Kabushiki Kaisha. Active years: 1980-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nozomu Kitagishi. Retrieved from https://idiyas.com/inventor/nozomu-kitagishi

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

USPTO Granted Patents = 54

% Patents Active = 98.1

Average Co-Inventor Count = 2.2

ph-index = 19

Forward Citations = 912(Granted Patents)

Forward Citations (Not Self Cited) = 884(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Inagi, JP (1984 - 1986)
Kawasaki, JP (1980 - 1987)
Kanagawa, JP (1985 - 1990)
Tokyo, JP (1985 - 2006)
Hachioji, JP (1989 - 2007)

Company Filing History:

54 out of 93,085

Canon Kabushiki Kaisha

patents

Years Active: 1980-2007

Loading Chart...

Areas of Expertise:

Polarizing Element

Optical Imaging

Zoom Lens

Image Stabilization

Projection Apparatus

Variable Magnification

Compact Camera

Refractive Index

Phase-Type Focusing

Telescopic Capability

Image Deflecting Device

High-Range Objectives

54 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7190519 - Plate-like polarizing element, a polarizing conversion unit provided with the element, and a projector provided with the unit (2007-03-13),

2. 7038722 - Optical imaging system for suppressing the generation of red-toned ghosting particularly when there is background light (2006-05-02),

3. 5751480 - Plate-like polarizing element, a polarizing conversion unit provided (1998-05-12),

4. 5537168 - Projection optical apparatus comprising automatic adjustment unit (1996-07-16),

5. 5303087 - Retrofocus type lens (1994-04-12),

6. 5270857 - Optical system for stabilizing an image (1993-12-14),

7. 5253005 - Small-sized camera (1993-10-12),

8. 5231431 - Projection type display apparatus (1993-07-27),

9. 5182671 - Variable magnification optical system having a capability of stabilizing (1993-01-26),

10. 5179473 - Zoom lens (1993-01-12),

11. 5124839 - Phase-type focusing screen (1992-06-23),

12. 5096288 - Projection apparatus (1992-03-17),

13. 5089835 - Phase-type diffusing plate (1992-02-18),

14. 5069537 - Image deflecting device (1991-12-03),

15. 5054898 - Compact high-range varifocal objectives (1991-10-08),

Couldn't find inventor

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]