Company Filing History:

8 out of 42,488

Hitachi, Ltd.

1 out of 832,718

Other

patents

Years Active: 1998-2013

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8581315 - Semiconductor device having cylindrical lower electrode of capacitor and manufacturing method thereof (2013-11-12),

2. 8138536 - Semiconductor device having cylindrical lower electrode of capacitor and manufacturing method thereof (2012-03-20),

3. 7687849 - Method for manufacturing semiconductor integrated circuit device (2010-03-30),

4. 7417291 - Method for manufacturing semiconductor integrated circuit device (2008-08-26),

5. 7224034 - Method for manufacturing semiconductor integrated circuit device (2007-05-29),

6. 7042038 - Semiconductor integrated circuit device and manufacturing method thereof (2006-05-09),

7. 6852579 - Method of manufacturing a semiconductor integrated circuit device (2005-02-08),

8. 6828242 - Method for manufacturing semiconductor integrated circuit device (2004-12-07),

9. 6815762 - Semiconductor integrated circuit device and process for manufacturing the same including spacers on bit lines (2004-11-09),

10. 6649956 - Semiconductor integrated circuit device and manufacturing method thereof (2003-11-18),

11. 6483136 - Semiconductor integrated circuit and method of fabricating the same (2002-11-19),

12. 5981369 - Semiconductor integrated circuit device and process for manufacturing (1999-11-09),

13. 5846869 - Method of manufacturing semiconductor integrated circuit device (1998-12-08),

14. 5773340 - Method of manufacturing a BIMIS (1998-06-30),

Title: The Innovations of Takahiro Kumauchi

Introduction

Takahiro Kumauchi is a prominent inventor based in Hamura, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 14 patents. His work has been instrumental in advancing the capabilities of semiconductor devices.

Latest Patents

One of Kumauchi's latest patents is focused on a semiconductor device featuring a cylindrical lower electrode of a capacitor. This invention includes multiple capacitors, each with a cylindrical lower electrode that has both an internal and external wall. The upper electrode covers the external wall of the lower electrode through a capacitance dielectric film. Additionally, a supporting film is incorporated, which has a buried portion within the internal region surrounded by the internal wall of the lower electrode. The supporting portion is designed to sandwich the upper end of the lower electrode, providing structural integrity and enhancing performance.

Career Highlights

Throughout his career, Kumauchi has worked with notable companies such as Hitachi, Ltd. and Elpida Memory, Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in semiconductor technology.

Collaborations

Kumauchi has collaborated with esteemed colleagues, including Makoto Yoshida and Yoshitaka Tadaki. These partnerships have fostered a creative environment that has led to the development of advanced technologies in the semiconductor field.

Conclusion

Takahiro Kumauchi's contributions to semiconductor technology are noteworthy, with a portfolio of 14 patents that reflect his innovative spirit. His work continues to influence the industry and pave the way for future advancements.

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