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For the Inventor, By the Inventor

Tachikawa, Japan

Yasushi Kawase

This inventor holds 21 USPTO granted patents and 1 published patent application, primarily in Semiconductor Technology. Top assignees: Hitachi Device Engineering Co., Ltd., Hitachi, Ltd., Renesas Technology Corp.. Active years: 1993-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasushi Kawase. Retrieved from https://idiyas.com/inventor/yasushi-kawase

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

USPTO Granted Patents = 21 

% Patents Active = 90.5

Average Co-Inventor Count = 5.0

ph-index = 7

Forward Citations = 226(Granted Patents)


Location History:

  • Tokyo, JP (2006)
  • Kokubunji, JP (1997 - 2007)
  • Tachikawa, JP (1993 - 2011)
  • Nanae, JP (2010 - 2013)

Company Filing History:

goldMedal11 out of 217 
 
Hitachi Device Engineering Co., Ltd.
 patents
silverMedal9 out of 42,731 
 
Hitachi, Ltd.
 patents
bronzeMedal4 out of 3,781 
 
Renesas Technology Corp.
 patents
4. 3 out of 7,654 
 
Renesas Electronics Corporation
 patents
5. 1 out of 87 
 
Hitachi Ulsi Engineering Corp.
 patents
6. 1 out of 6 
 
Rising Silicon, Inc.
 patents
7. 3 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1993-2013

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Areas of Expertise:
Liquid Crystal Display
Semiconductor Memory
Integrated Circuit
Sub-Amplifiers
Operational Speed
Redundancy Circuit
Switching Transistors
Stand-By Current
21 patents (USPTO):Explore Patents
1. 8345480 - Semiconductor integrated circuit device for driving liquid crystal display (2013-01-01),
2. 8089810 - Semiconductor integrated circuit device for driving liquid crystal display (2012-01-03),
3. RE42659 - Large-capacity semiconductor memory with improved layout for sub-amplifiers to increase speed (2011-08-29),
4. 7826264 - Semiconductor integrated circuit device for driving liquid crystal display (2010-11-02),
5. RE41379 - Large-Capacity semiconductor memory with improved layout for sub-amplifiers to increase operational speed (2010-06-14),
6. RE40356 - Large-capacity semiconductor memory with improved layout for sub-amplifiers to increase operational speed (2008-06-02),
7. 7342562 - Liquid crystal drive device (2008-03-11),
8. 7203116 - Semiconductor memory device (2007-04-10),
9. 7199648 - Semiconductor integrated circuit including first and second switching transistors having operation states corresponding to operation states of first and second logic circuits (2007-04-03),
10. 7082063 - Semiconductor memory device (2006-07-25),
11. RE38944 - Semiconductor memory (2006-01-23),
12. 6928017 - Semiconductor memory device (2005-08-09),
13. 6747509 - Semiconductor integrated circuit (2004-06-08),
14. 6625079 - Semiconductor memory device (2003-09-23),
15. 6339358 - Semiconductor integrated circuit (2002-01-15),

Title: Innovations of Yasushi Kawase: A Pioneer in Semiconductor Technology

Introduction

Yasushi Kawase, an accomplished inventor based in Tachikawa, Japan, holds an impressive portfolio of 21 patents. His work primarily focuses on semiconductor technologies, which have greatly influenced the advancements in liquid crystal display (LCD) systems. His innovative contributions have made significant improvements in how these devices are designed and function.

Latest Patents

One of Kawase's latest patents includes a semiconductor integrated circuit device for driving liquid crystal displays. This invention allows for easily configurable drive conditions tailored to the specifications of the LCD in use. The device involves an electrically programmable non-volatile memory circuit (EPROM) or an electrically erasable and programmable non-volatile memory circuit (EEPROM) to store crucial setting information. This feature is integrated into the semiconductor device and can be manufactured using standard semiconductor fabrication processes, enhancing efficiency and reliability.

Career Highlights

Yasushi Kawase has had a distinguished career, having worked at notable companies such as Hitachi Device Engineering Co., Ltd. and Hitachi, Ltd. His tenure at these organizations has allowed him to develop and refine his innovative ideas, paving the way for advancements in semiconductor technologies.

Collaborations

Throughout his career, Kawase has collaborated with esteemed colleagues, including Takesada Akiba and Masashi Horiguchi. These collaborations have fueled creativity and innovation in his projects, contributing to the development of cutting-edge technologies in semiconductor applications.

Conclusion

Yasushi Kawase's contributions to the field of semiconductor technology have solidified his reputation as a significant inventor. With a focus on enhancing the functionality of liquid crystal displays through innovative circuit designs, his work continues to inspire advancements in electronics and display technologies. His contributions emphasize the importance of innovation and collaboration in driving industry forward.

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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