Sumio Tanaka

This inventor holds 71 USPTO granted patents and 2 EPO patents, primarily in Nonvolatile Semiconductor Memory (CPC class 3651). Top assignees: Kabushiki Kaisha Toshiba, Tokyo Shibaura Denki Kabushiki Kaisha, Mitsubishi Jidosha Kogyo Kabushiki Kaisha. Active years: 1984-2022.

USPTO Granted Patents = 71

% Patents Active = 95.8

EPO Patents = 2 (Patent Applications = 1)

Average Co-Inventor Count = 2.4

ph-index = 22

Forward Citations = 1,202(Granted Patents)

Forward Citations (Not Self Cited) = 1,178(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Oomorini, JP (1989)
Oomorinishi, JP (1990 - 1993)
Okazaki, JP (2015 - 2016)
Tokyo, JP (1984 - 2022)

Company Filing History:

58 out of 53,211

Kabushiki Kaisha Toshiba

patents

5 out of 2,916

Tokyo Shibaura Denki Kabushiki Kaisha

patents

4 out of 1,648

Mitsubishi Jidosha Kogyo Kabushiki Kaisha

Years Active: 1984-2022

Loading Chart...

Areas of Expertise:

Ferroelectric Memory

Nonvolatile Memory

Vehicle Control

Hybrid Vehicle

Temperature Estimation

Memory Device

Video Tape Recorder

Memory Cell

Charge Reading

RFID System

Isolation Transistors

Current-Scaling Circuit

71 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11364911 - Vehicle control apparatus (2022-06-21),

2. 10067005 - Apparatus for estimating temperatures of vehicle (2018-09-04),

3. 9340201 - Engine operation control device for hybrid vehicle (2016-05-17),

4. 9061683 - Traveling mode switching controller of hybrid electric vehicle (2015-06-23),

5. 7295456 - Chain ferroelectric random access memory (CFRAM) having an intrinsic transistor connected in parallel with a ferroelectric capacitor (2007-11-13),

6. 7057917 - Ferroelectric memory with an intrinsic access transistor coupled to a capacitor (2006-06-06),

7. 6671200 - Ferroelectric random access memory with isolation transistors coupled between a sense amplifier and an equalization circuit (2003-12-30),

8. 6552922 - Chain-type ferroelectric random access memory (FRAM) with rewrite transistors coupled between a sense amplifier and a bit line pair (2003-04-22),

9. 6529414 - Nonvolatile semiconductor memory device including a circuit for providing a boosted potential (2003-03-04),

10. 6473330 - Chain type ferroelectric memory with isolation transistors coupled between a sense amplifier and an equalization circuit (2002-10-29),

11. 6324100 - Nonvolatile semiconductor memory device (2001-11-27),

12. 6288961 - Semiconductor memory device for reading charges stored in capacitor in memory cell and data reading method thereof (2001-09-11),

13. 6191971 - Ferroelectric memory device (2001-02-20),

14. 6166987 - Nonvolatile semiconductor memory device having row decoder (2000-12-26),

15. 6151252 - Nonvolatile semiconductor memory device (2000-11-21),

Title: Sumio Tanaka - Innovative Inventor from Tokyo

Introduction: Sumio Tanaka is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Sumio Tanaka holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous innovation and forward-thinking approach.

Career Highlights: With over two decades of experience in the tech industry, Sumio Tanaka has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized the way we interact with technology.

Collaborations: Throughout his career, Sumio Tanaka has collaborated with top companies in Japan and internationally, fostering a culture of innovation and knowledge-sharing to drive progress in the tech sector.

Conclusion: Sumio Tanaka's passion for innovation and his relentless pursuit of technological advancement have solidified his reputation as a visionary inventor, shaping the future of technology in Japan and beyond.