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For the Inventor, By the Inventor

Ome, Japan

Hitoshi Tanaka

This inventor holds 59 USPTO granted patents, primarily in Semiconductor Technology (CPC class 3652). Top assignees: Hitachi, Ltd., Hitachi Vlsi Engineering Corp., Hitachi Ulsi Engineering Corp.. Active years: 1990-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Tanaka. Retrieved from https://idiyas.com/inventor/hitoshi-tanaka-tchvk2fh

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

USPTO Granted Patents = 59

% Patents Active = 91.5

Average Co-Inventor Count = 3.5

ph-index = 21

Forward Citations = 1,314(Granted Patents)

Forward Citations (Not Self Cited) = 1,294(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Tachikawa all of, JP (1994)
  • Tachikawa, JP (1990 - 1998)
  • Ome, JP (1995 - 2015)

Company Filing History:

goldMedal34 out of 42,726 
 
Hitachi, Ltd.
 patents
silverMedal16 out of 182 
 
Hitachi Vlsi Engineering Corp.
 patents
bronzeMedal8 out of 87 
 
Hitachi Ulsi Engineering Corp.
 patents
4. 7 out of 336 
 
Hitachi Ulsi Systems Co., Ltd.
 patents
5. 6 out of 3,781 
 
Renesas Technology Corp.
 patents
6. 4 out of 149 
 
Hitachi Microcomputer Engineering, Ltd.
 patents
7. 2 out of 377 
 
Ps4 Luxco S.a.r.l.
 patents
8. 1 out of 1,458 
 
Elpida Memory, Inc.
 patents
9. 1 out of 1 
 
Hitachi, Ltd., Hitachi Vlsi Engineering Corporation
 patent
10. 1 out of 7,651 
 
Renesas Electronics Corporation
 patents
11. 1 out of 4 
 
Vlsi Engineering Corporation
 patents
12. 14 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1990-2015

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Areas of Expertise:
Supply Voltage
Non Volatile Memory
Charge Pump
Semiconductor Device
Integrated Circuit
Voltage Converter
Dynamic RAM
Synchronous Memory
Redundancy Circuit
Low Supply Voltage
Voltage Limiter
Memory Logic Circuit
59 patents (USPTO):Explore Patents
1. 9207701 - Supply voltage generating circuit (2015-12-08),
2. 8860499 - Supply voltage generating circuit (2014-10-14),
3. 8493132 - Supply voltage generating circuit (2013-07-23),
4. 7808828 - Non volatile memory (2010-10-05),
5. 7558107 - Non volatile memory (2009-07-07),
6. 7426136 - Non volatile memory (2008-09-16),
7. 7042276 - Charge pump with improved regulation (2006-05-09),
8. 6937496 - Semiconductor device (2005-08-30),
9. 6912155 - Non volatile memory (2005-06-28),
10. 6906575 - Semiconductor integrated circuit device (2005-06-14),
11. 6781890 - Nonvolatile memory and processing system (2004-08-24),
12. 6711071 - Semiconductor device (2004-03-23),
13. 6703891 - Charge pump with improved reliability (2004-03-09),
14. 6609236 - Semiconductor IC device having a memory and a logic circuit implemented with a single chip (2003-08-19),
15. 6535435 - Reference voltage generator permitting stable operation (2003-03-18),

Title: Inventor Hitoshi Tanaka

Introduction: Hitoshi Tanaka is a renowned inventor hailing from Ome, Japan. He is known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: Hitoshi Tanaka holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions. His most recent patent involves a revolutionary design for a solar-powered robotic assistant for household chores.

Career Highlights: Tanaka's career highlights include receiving multiple awards for his inventions, such as the prestigious Innovation Award in Robotics and the Excellence in Sustainable Technology Award. He has also been invited to speak at international conferences to share his expertise in innovation.

Collaborations: Throughout his career, Hitoshi Tanaka has collaborated with leading research institutions and universities to further develop his inventions. His partnerships have led to the successful implementation of his technologies in real-world applications.

Conclusion: Hitoshi Tanaka's passion for innovation and dedication to creating solutions for everyday challenges have solidified his reputation as a pioneering inventor in the global community. His contributions continue to inspire future generations of inventors and innovators.

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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