Osaka, Japan

Tokuji Ishida

This inventor holds 151 USPTO granted patents, primarily in Camera Technology (CPC class 354402). Top assignees: Minolta Camera Kabushiki Kaisha, Minolta Company, Ltd., Minolta Camera Co., Ltd.. Active years: 1979-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tokuji Ishida. Retrieved from https://idiyas.com/inventor/tokuji-ishida

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.1

ph-index = 22

Forward Citations = 2,407(Granted Patents)

Forward Citations (Not Self Cited) = 2,183(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Osaka, JP (1984 - 2002)
  • Daito, JP (1979 - 2003)

Company Filing History:


Years Active: 1979-2003

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Areas of Expertise:
Image Sensing Device
Varifocal Lens
Automatic Focusing
Focus Detection
Camera System
Blurring Correction
Distance Information
Photoelectric Conversion
Multi-Zone Focus
Operation Modes
Solid State Image Device
151 patents (USPTO):Explore Patents

Title: Tokuji Ishida: Pioneering Innovations in Image Sensing Technology

Introduction:

Tokuji Ishida, a renowned inventor hailing from Osaka, Japan, has made significant contributions to the field of image sensing technology. With an impressive total of 151 patents to his name, Ishida has been instrumental in revolutionizing the capabilities of digital cameras and distance information generators. This article dives into Ishida's latest patents, his notable career highlights, and his collaborations with influential colleagues.

Latest Patents:

One of Ishida's recent patents focuses on the development of an image sensing device capable of producing high-resolution composite images and ultra-wide composite images in a digital camera. By combining multiple images through a movable image sensing optical unit and a two-dimensional image sensing device, Ishida's invention enables the creation of composite images on a single sheet. This innovation allows photographers to capture ultra-wide composite images at standard resolution and high-resolution composite images achieved through telephoto lenses.

Another notable patent by Ishida is centered around a distance information generator and display device. This invention employs an image sensor, a distance detector, a memory storing position information, and a calculator to generate accurate distance data. By comparing the generated distance information with the virtual image, the display device creates composite images that merge both the sensed and virtual objects seamlessly.

Career Highlights:

Tokuji Ishida's career has been primarily affiliated with Canon Kabushiki Kaisha (also known as Canon Inc.). Throughout his time at Canon, Ishida has exhibited his pioneering spirit and technological prowess, leading to the creation of numerous revolutionary inventions. His commitment to pushing the boundaries of image sensing technology has solidified his reputation as a visionary in the industry.

Collaborations:

Ishida has had the privilege of collaborating with esteemed colleagues throughout his career. Notable individuals like Masataka Hamada and Toshio Norita have played a significant role in shaping the innovative landscape alongside Ishida. Together, these dedicated professionals have contributed to the advancement of image sensing technology, earning recognition and acclaim for their groundbreaking achievements.

Conclusion:

Tokuji Ishida's remarkable dedication to enhancing image sensing technology has brought forth a range of innovative patents. His expertise and creative thinking have resulted in advancements such as the production of high-resolution and ultra-wide composite images, as well as the development of distance information generators. As Ishida's career continues to flourish, his collaborations with influential colleagues further demonstrate his commitment to driving innovation in the field. The realm of image sensing technology owes much of its progress to the pioneering contributions of Tokuji Ishida.

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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