Tsutomu Tezuka

This inventor holds 54 USPTO granted patents and 6 published patent applications, primarily in Semiconductor Technology (CPC class H01L). Top assignees: Kabushiki Kaisha Toshiba, Toshiba Memory Corporation, Oki Electric Industry Co., Ltd.. Active years: 1993-2020.

USPTO Granted Patents = 54 (Patent Applications = 6)

% Patents Active = 90.7

Average Co-Inventor Count = 2.7

ph-index = 17

Forward Citations = 1,832(Granted Patents)

Forward Citations (Not Self Cited) = 1,778(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Kanagawa-ken, JP (2004)
Kanagawa, JP (2012)
Tsukuba, JP (2014 - 2017)
Yokohama, JP (1993 - 2020)
Ibaraki, JP (2017 - 2020)
Yokohama Kanagawa, JP (2020)

Company Filing History:

42 out of 53,250

Kabushiki Kaisha Toshiba

patents

12 out of 2,955

Toshiba Memory Corporation

patents

1 out of 4,980

Oki Electric Industry Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1993-2020

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Areas of Expertise:

Semiconductor Device

Transistor

Memory Device

Image Sensor

Non-Volatile Memory

Dynamic Random Access Memory

CMOS Sensor

Field Effect Transistor

Manufacturing Method

Integrated Circuit

Oxide Semiconductor

Ge Channel

54 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10790396 - Semiconductor device and method for manufacturing the same (2020-09-29),

2. 10714629 - Transistor, semiconductor memory device, and method of manufacturing transistor (2020-07-14),

3. 10665587 - Semiconductor device and manufacturing method of the same (2020-05-26),

4. 10643671 - Semiconductor device (2020-05-05),

5. 10553601 - Semiconductor memory including semiconductor oxide (2020-02-04),

6. 10497712 - Semiconductor memory (2019-12-03),

7. 10332581 - Semiconductor memory device (2019-06-25),

8. 10312239 - Semiconductor memory including semiconductor oxie (2019-06-04),

9. 10096641 - CMOS image sensor (2018-10-09),

10. 10056150 - Non-volatile semiconductor memory device (2018-08-21),

11. 10049720 - Dynamic random access memory (DRAM) (2018-08-14),

12. 10043808 - Semiconductor memory (2018-08-07),

13. 9978441 - Semiconductor memory device (2018-05-22),

14. 9853040 - Semiconductor memory device (2017-12-26),

15. 9837549 - Oxide semiconductor and semiconductor device (2017-12-05),

Title: Tsutomu Tezuka: Pioneering Inventor from Yokohama

Introduction: Tsutomu Tezuka is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Tsutomu Tezuka holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Tsutomu Tezuka has worked with leading tech companies in Japan, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Tsutomu Tezuka has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Tsutomu Tezuka's passion for innovation and his relentless pursuit of excellence have solidified his position as a trailblazer in the world of technology, inspiring future generations of inventors to dream big and create change.