Takeshi Ishii

This inventor holds 24 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 3 EPO patents, primarily in Image Forming Apparatus. Top assignees: Oki Data Corporation, Asahi Kasei Kabushiki Kaisha, Fujitsu Corporation. Active years: 1992-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeshi Ishii. Retrieved from https://idiyas.com/inventor/takeshi-ishii-0os8fc4v

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

Calculating rank

USPTO Granted Patents = 24 (Patent Applications = 1)

% Patents Active = 70.8

CIPO Patents = 1 (Patent Applications = 3)

EPO Patents = 3 (Patent Applications = 3)

Average Co-Inventor Count = 2.6

ph-index = 6

Forward Citations = 192(Granted Patents)

Location History:

Ichikawa, JP (1992 - 1993)
Hiroshima, JP (1995)
Ibaraki, JP (2004)
Fukuyama, JP (2016)
Tokyo, JP (1992 - 2021)

Company Filing History:

Asahi Kasei Kabushiki Kaisha

Copal Company Limited

patents

5. 2 out of 1,973

Jfe Steel Corporation

Stanley Electric Co., Ltd

patents

9. 2 out of 834,570

Other

patents

where one patent can have more than one assignee

Years Active: 1992-2025

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Areas of Expertise:

Authentication Method

Sound Reproducing Apparatus

Image Forming Method

Laser Isotope Separation

Optical Scanner

Semiconductor Laser

Filler Sand

Vehicle Reflector

Flour Milling

Object Detection

Self-Diagnostic Method

Radiation-Sensitive Resin

24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12505412 - Authentication method, authentication system, and program (2025-12-23),

2. 11102572 - Apparatus for drawing attention to an object, method for drawing attention to an object, and computer readable non-transitory storage medium (2021-08-24),

3. 10999677 - Sound reproducing apparatus having multiple directional speakers and sound reproducing method (2021-05-04),

4. 10945088 - Sound reproducing apparatus capable of self diagnostic and self-diagnostic method for a sound reproducing apparatus (2021-03-09),

5. 10841690 - Sound reproducing apparatus, sound reproducing method, and computer readable storage medium (2020-11-17),

6. 9933724 - Image forming apparatus and image forming method with developing voltage correction processing (2018-04-03),

7. 9920390 - Method for preliminary treatment of molten iron (2018-03-20),

8. 9846400 - Image forming apparatus that executes light emission based on discharge dot count value (2017-12-19),

9. 9411258 - Image forming apparatus (2016-08-09),

10. 9315875 - Method of refining molten iron (2016-04-19),

11. 9261780 - Radiation-sensitive resin composition, method for forming resist pattern, and polymer and compound (2016-02-16),

12. 9235155 - Image forming apparatus (2016-01-12),

13. 9223248 - Image forming apparatus for image failure prevention (2015-12-29),

14. 9052635 - Image forming apparatus (2015-06-09),

15. 8414135 - Reflector for vehicle (2013-04-09),

Title: The Innovative Mind of Takeshi Ishii: Pioneering Attention-Drawing Technologies

Introduction

Takeshi Ishii, based in Tokyo, Japan, is an accomplished inventor with an impressive portfolio of 23 patents. His inventive contributions focus primarily on technologies that engage and direct attention to targeted objects, enhancing user interaction with various environments.

Latest Patents

Among his latest innovations are:

1. **Apparatus for Drawing Attention to an Object**: This patent presents an apparatus and a method designed to capture the attention of individuals. It integrates an information acquisition unit to gather personal information, allowing a processor to determine a target object and its positional information. An emitter subsequently uses this data to project ultrasound waves or light to the selected target.

2. **Sound Reproducing Apparatus Having Multiple Directional Speakers and Sound Reproducing Method**: This invention provides an advanced sound reproducing apparatus comprising multiple directional speakers. The device utilizes an information acquisition unit to gather sensing information about the individual intended to receive the sound. The processor in the apparatus determines the position of the person based on this sensing information, allowing it to control the output levels of the speakers according to the distance from the listener.

Career Highlights

Takeshi has significantly contributed to his field while working with prominent companies, including Oki Data Corporation and Fujitsu Corporation. His work at these institutions has facilitated the development of unique audio-visual technologies that cater to user-centric experiences.

Collaborations

Throughout his career, Takeshi has collaborated with notable engineers like Tamotsu Takahashi and Yoshihiro Oyama. These partnerships have fostered innovation and led to the realization of several cutting-edge projects, further advancing the creative potential of technologies related to user engagement.

Conclusion

Takeshi Ishii continues to be a driving force in the realm of innovative technology. His dedication to designing methods of drawing attention to objects and enhancing sound reproduction not only showcases his inventive spirit but also contributes to the evolution of user interaction technologies. His patents are poised to have a lasting impact, reshaping how we engage with our surroundings.

Profile summary based on public USPTO records.