Tokyo, Japan

Takashi Ishikawa

This inventor holds 75 USPTO granted patents and 6 published patent applications and 2 EPO patents, primarily in Information Processing (CPC class G03B). Top assignees: Kabushiki Kaisha Toshiba, Olympus Corporation, Paramount Bed Company, Limited. Active years: 1978-2026.

USPTO Granted Patents = 75 

% Patents Active = 70.7

 

Average Co-Inventor Count = 1.8

ph-index = 10

Forward Citations = 360(Granted Patents)

Forward Citations (Not Self Cited) = 354(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Kodaira, JP (1978)
  • Ohaza Higashine-ko, Higashine-shi, Yamagata-ken, JP (1978)
  • Higashine, JP (1979)
  • Ooaza Higashine Ko, Higashine-shi, Yamagata-ken, JP (1979)
  • Higashine-shi, Yamagata-ken, JP (1981)
  • Minato-ku, Tokyo, JP (1981)
  • Yokohama, JP (1993)
  • Hiratsuka, JP (2002)
  • Minato-ku, JP (2002)
  • Kanagawa-ken, JP (2000 - 2006)
  • Kokubunji, JP (2010)
  • Hachioji, JP (2007 - 2019)
  • Kanagawa, JP (2004 - 2020)
  • Tama Tokyo, JP (2018 - 2020)
  • Tokyo, JP (1981 - 2023)

Company Filing History:

goldMedal13 out of 53,240 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal13 out of 8,298 
 
Olympus Corporation
 patents
bronzeMedal7 out of 131 
 
Paramount Bed Company, Limited
 patents
4. 5 out of 42,719 
 
Hitachi, Ltd.
 patents
5. 5 out of 36,653 
 
Nec Corporation
 patents
6. 5 out of 426 
 
Nec Display Solutions, Ltd.
 patents
7. 4 out of 727 
 
Olympus Imaging Corporation
 patents
8. 2 out of 900 
 
Hitachi Medical Corporation
 patents
9. 2 out of 1,258 
 
Hitachi-Kokusai Electric Inc.
 patents
10. 2 out of 254 
 
Japan Aerospace Exploration Agency
 patents
11. 2 out of 13 
 
Paramount Bed Co., Ltd.
 patents
12. 2 out of 518 
 
Sloan-Kettering Institute for Cancer Research
 patents
13. 2 out of 593 
 
The Salk Institute
 patents
14. 1 out of 16,458 
 
Fuji Photo Film Company, Limited
 patents
15. 1 out of 196 
 
Nec C Orporation
 patents
16. 1 out of 18 
 
Nec Network and Sensor Systems, Ltd.
 patents
17. 1 out of 1,038 
 
Nippon Electric Co., Ltd.
 patents
18. 1 out of 357 
 
Shindengen Electric Manufacturing Company Limited
 patents
19. 1 out of 1,226 
 
Takeda Pharmaceutical Company Limited
 patents
20. 1 out of 1,696 
 
Toshiba Electronic Devices & Storage Corporation
 patents
21. 1 out of 18 
 
Yamanashi Electronics Co., Ltd.
 patents
22. 7 out of 834,411 
Other
 patents
where one patent can have more than one assignee

Years Active: 1978-2026

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Areas of Expertise:
Information Processing
Wireless Communication
Imaging Technologies
Optical Communication
Semiconductor Device
Image Stabilization
Projection Display
Data Encoding
Signal Processing
X-ray Imaging
Therapeutic Agents
75 patents (USPTO):Explore Patents

Title: Takashi Ishikawa: A Pioneer in Information Processing Technologies

Introduction

Takashi Ishikawa is a prominent inventor and innovator based in Tokyo, Japan, known for his significant contributions to the field of information processing. With an impressive portfolio of 70 patents, Ishikawa has developed groundbreaking technologies that enhance user experience and workflow efficiency.

Latest Patents

Ishikawa's latest patents demonstrate his forward-thinking approach and keen understanding of user needs. One notable invention is an information processor capable of proposing useful items to a user. This information processor comprises a processor and a memory that stores various information, including relationships between assistants and individuals, as well as item purchase histories. The processor evaluates similarities between these relationships and makes advertisement suggestions based on the user's previous interactions.

Another impactful patent he has developed is a management system utilizing a sensor to detect biological information on a user. This system can communicate with terminal devices and assess whether a user is awake or has exited their bed. By activating alarms based on received biological data, it prioritizes alerts for individuals at a higher risk of falling.

Career Highlights

Ishikawa has made significant strides in the technology sector, working with prestigious companies such as Kabushiki Kaisha Toshiba and Olympus Corporation. His work at these organizations has allowed him to collaborate on advanced technologies that push the boundaries of what is possible in information processing and user assistance.

Collaborations

Throughout his career, Takashi Ishikawa has had the opportunity to work alongside talented individuals, including Kimiyoshi Usami and Fumimaro Takaku. These collaborations have further fueled innovation and have led to the development of several noteworthy patents, showcasing the value of teamwork in the tech industry.

Conclusion

As a leading inventor based in Tokyo, Takashi Ishikawa continues to shape the future of information processing technology through his influential patents and innovative mindset. His dedication to improving user experiences and advancing technology remains evident through his extensive work and collaborations in the field.

Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
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