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For the Inventor, By the Inventor

Tokyo, Japan

Tadashi Shibata

This inventor holds 68 USPTO granted patents, primarily in Semiconductor Circuits (CPC class 3651). Top assignees: Bridgestone Corporation, Canon Kabushiki Kaisha, Tadashi Shibata. Active years: 1991-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Shibata. Retrieved from https://idiyas.com/inventor/tadashi-shibata

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

Calculating rank
USPTO Granted Patents = 68

% Patents Active = 88.2

Average Co-Inventor Count = 2.9

ph-index = 14

Forward Citations = 623(Granted Patents)

Forward Citations (Not Self Cited) = 579(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Taihaku-ku, Sendai-shi, Miyagi-ken, JP (1996)
  • Nagamachi, Taihaku-ku, Sendai-shi, Miyagi-ken JP (1997)
  • Miyagi, JP (1991 - 1998)
  • Aoba-ku, Sendai-shi, Miyagi-ken JP (1998)
  • Taihaku-ku, Sendai-shi, Miyagi-ken JP (1994 - 1999)
  • Sendai-shi Miyagi-ken JP (1995 - 1999)
  • Sendai-shi, Miyagi-ken, JP (1998 - 1999)
  • Sendai, JP (1992 - 2000)
  • Miyagi-ken, JP (1997 - 2000)
  • Nihondaira, Taihaku-ku, Sendai-shi, Miyagi-ken JP (1998 - 2000)
  • Tokyo JP (2001)
  • Koto-ku, Tokyo JP (2001)
  • Miyagi-ken JP (1999 - 2002)
  • Koto-ku, Tokyo, JP (2003 - 2004)
  • Sendai-shi, Miyagi-ken JP (1996 - 2005)
  • Kodaira, JP (2010)
  • Tokyo, JP (1996 - 2017)

Company Filing History:

goldMedal7 out of 5,196 
 
Bridgestone Corporation
 patents
silverMedal7 out of 93,136 
 
Canon Kabushiki Kaisha
 patents
bronzeMedal4 out of 4 
 
Tadashi Shibata
 patents
4. 2 out of 6,021 
 
Rohm Co., Ltd.
 patents
5. 2 out of 135 
 
Semiconductor Technology Academic Research Center
 patents
6. 2 out of 27 
 
Tadahiro Ohmi
 patents
7. 2 out of 2 
 
Tadashi Shibata and Tadahiro Ohmi
 patents
8. 1 out of 2,283 
 
Adv Antest Corporation
 patents
9. 1 out of 3 
 
Applied Materials Japan Inc.
 patents
10. 1 out of 1 
 
Canon Kabushiki Kaisha/applied Materials Japan Inc.
 patent
11. 1 out of 37 
 
Frontec Incorporated
 patents
12. 1 out of 1 
 
I & F, Inc.
 patent
13. 1 out of 8 
 
Kabushiki Kaisha Ultraclean Technology Research Institute
 patents
14. 1 out of 1 
 
Tadahiro Ohmi and Tadashi Shibata
 patent
15. 1 out of 6 
 
Takasago Netsugaku Kogyo Kabushiki Kaisha
 patents
16. 1 out of 1,054 
 
Tohoku University
 patents
17. 41 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1991-2017

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Areas of Expertise:
Semiconductor Circuit
Arithmetic Processing
Integrated Circuit
Analog Signal Processing
Memory Device
Thin Film
Rubber Composition
Tread Design
Image Processing
Feedback Circuit
Data Sorting
Signal Propagation
68 patents (USPTO):Explore Patents
1. 9593231 - Tire (2017-03-14),
2. 7709561 - Rubber composition for tread and tire (2010-05-04),
3. 7397951 - Image processing device and image processing method (2008-07-08),
4. 7382171 - Semiconductor circuit for detecting a signal propagation time (2008-06-03),
5. 7296048 - Semiconductor circuit for arithmetic processing and arithmetic processing method (2007-11-13),
6. 6949478 - Oxide film forming method (2005-09-27),
7. 6728745 - Semiconductor circuit for arithmetic operation and method of arithmetic operation (2004-04-27),
8. 6704757 - Semiconductor arithmetic unit (2004-03-09),
9. 6691145 - Computing circuit, computing apparatus, and semiconductor computing circuit (2004-02-10),
10. 6647406 - Sum of product circuit and inclination detecting apparatus (2003-11-11),
11. 6606119 - Semiconductor arithmetic circuit (2003-08-12),
12. 6493263 - Semiconductor computing circuit and computing apparatus (2002-12-10),
13. 6459312 - Semiconductor integrated circuit, delay-locked loop having the same circuit, self-synchronizing pipeline type system, voltage-controlled oscillator, and phase-locked loop (2002-10-01),
14. 6456992 - Semiconductor arithmetic circuit (2002-09-24),
15. 6456532 - Semiconductor memory device (2002-09-24),

Title: Tadashi Shibata: Pioneering Inventor from Tokyo

Introduction: Tadashi Shibata is a renowned inventor hailing from the vibrant city of Tokyo, Japan. With a passion for innovation and a keen eye for detail, he has made significant contributions to the field of technology through his groundbreaking inventions.

Latest Patents: Tadashi Shibata holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies. His most recent patents focus on enhancing efficiency in industrial processes and improving sustainability in urban environments.

Career Highlights: Throughout his illustrious career, Tadashi Shibata has worked with leading tech companies in Japan, spearheading research and development projects that have pushed the boundaries of technological advancement. His innovative solutions have garnered international recognition and praise.

Collaborations: Tadashi Shibata has collaborated with top research institutions and universities in Japan, fostering a culture of innovation and knowledge sharing. His collaborative efforts have resulted in the development of cutting-edge technologies that have the potential to shape the future of various industries.

Conclusion: Tadashi Shibata's relentless pursuit of innovation and his commitment to excellence have established him as a trailblazer in the world of technology. His inventive spirit continues to inspire the next generation of inventors and researchers, leaving a lasting impact on the global innovation landscape.

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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