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For the Inventor, By the Inventor

Kanagawa, Japan

Takaki Niwa

This inventor holds 7 USPTO granted patents. Top assignees: Nec Compound Semiconductor Devices, Ltd., Nec Corporation, Nec Electronics Corporation. Active years: 1999-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takaki Niwa. Retrieved from https://idiyas.com/inventor/takaki-niwa-ecegop9a

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

USPTO Granted Patents = 7

% Patents Active = 71.4

Average Co-Inventor Count = 1.7

ph-index = 3

Forward Citations = 40(Granted Patents)


Location History:

  • Tokyo, JP (1999 - 2002)
  • Kawasaki, JP (2005 - 2010)
  • Kanagawa, JP (2006 - 2010)

Company Filing History:

goldMedal3 out of 60 
 
Nec Compound Semiconductor Devices, Ltd.
 patents
silverMedal3 out of 36,718 
 
Nec Corporation
 patents
bronzeMedal2 out of 2,467 
 
Nec Electronics Corporation
 patents
where one patent can have more than one assignee

Years Active: 1999-2010

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7 patents (USPTO):Explore Patents
1. 7834461 - Semiconductor apparatus (2010-11-16),
2. 7821037 - Heterojunction bipolar transistor (2010-10-26),
3. 7304333 - Semiconductor device (2007-12-04),
4. 7038244 - Semiconductor device and method of manufacturing the same (2006-05-02),
5. 6881988 - Heterojunction bipolar transistor and semiconductor integrated circuit device using the same (2005-04-19),
6. 6355947 - Heterojunction bipolar transistor with band gap graded emitter (2002-03-12),
7. 5959317 - High frequency hetero junction type field effect transistor using (1999-09-28),

Title: Takaki Niwa: Innovator in Semiconductor Technology

Introduction

Takaki Niwa is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 7 patents. His work has been instrumental in advancing the capabilities of semiconductor devices.

Latest Patents

One of his latest patents is a semiconductor apparatus that includes a semiconductor device formed on the first surface of a semiconductor substrate. This apparatus features a blocking film provided in a concave-shaped first via-hole, which connects to an electrode of the semiconductor device. Another notable patent is for a heterojunction bipolar transistor, which comprises various layers with different concentrations of conductivity type impurities. This innovation enhances the performance and efficiency of semiconductor devices.

Career Highlights

Throughout his career, Takaki Niwa has worked with notable companies such as NEC Compound Semiconductor Devices, Ltd. and NEC Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in semiconductor technology.

Collaborations

Takaki Niwa has collaborated with several talented individuals in his field, including Naoto Kurosawa and Hidenori Shimawaki. These collaborations have contributed to the successful development of his patented technologies.

Conclusion

Takaki Niwa's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in semiconductor devices and their applications.

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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