Takaho Tanigawa

This inventor holds 13 USPTO granted patents. Top assignees: Nec Corporation, Nec Electronics Corporation. Active years: 1989-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takaho Tanigawa. Retrieved from https://idiyas.com/inventor/takaho-tanigawa

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

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 7

Forward Citations = 268(Granted Patents)

Location History:

Toyko, JP (1995)
Tokyo, JP (1989 - 2003)

Company Filing History:

Nec Electronics Corporation

patents

Years Active: 1989-2003

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13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6630378 - Method of fabricating a dynamic random access memory device having stacked capacitor memory cell arrays (2003-10-07),

2. 6249054 - Semiconductor memory device with a stacked capacitance structure (2001-06-19),

3. 6020644 - Semiconductor memory device having bit lines and signal wiring layers (2000-02-01),

4. 5879981 - Method of fabricating a semiconductor memory device (1999-03-09),

5. 5828097 - Semiconductor memory device with a stacked capacitance structure (1998-10-27),

6. 5740099 - Semiconductor memory device having peripheral circuit and interface (1998-04-14),

7. 5663085 - Method for fabricating capacitive element of semiconductor memory device (1997-09-02),

8. 5491108 - Method of producing semiconductor integrated circuit device having (1996-02-13),

9. 5471418 - Semiconductor memory with stacked-capacitor cells (1995-11-28),

10. 5436187 - Process for fabricating a semiconductor memory device including a (1995-07-25),

11. 5305256 - Semiconductor memory device having stacked capacitor cell (1994-04-19),

12. 5294561 - Method for manufacturing highly-integrated stacked capacitor (1994-03-15),

13. 4888772 - Testing circuit for random access memory device (1989-12-19),

Title: Innovations of Takaho Tanigawa: A Pioneer in Semiconductor Technology

Introduction

Takaho Tanigawa is an esteemed inventor based in Tokyo, Japan, renowned for his contributions to the field of semiconductor technology. With a prolific portfolio of 13 patents, he has made significant advancements that have impacted the design and fabrication of memory devices, particularly dynamic random access memory (DRAM).

Latest Patents

Among his most recent innovations is a sophisticated method for fabricating a dynamic random access memory device featuring stacked capacitor memory cell arrays. This method involves a comprehensive process that includes forming stacked capacitors over first field-effect transistors positioned within a memory cell area of a semiconductor device. The technique comprises several stages, such as the formation of insulation films, planarization of inter-layer insulators, and the patterning of storage electrodes that enhance the efficiency and reliability of memory cells. Furthermore, Tanigawa has developed a semiconductor memory device equipped with a stacked capacitance structure that prevents potential damage to the contact pad, thereby improving the device's durability and functionality.

Career Highlights

Tanigawa has had a notable career with various accomplishments. He has been associated with leading companies such as NEC Corporation and NEC Electronics Corporation, where he has played a crucial role in advancing semiconductor technologies. His extensive experience and innovative mindset have positioned him as a noteworthy figure in the industry, particularly in the development of DRAM technologies.

Collaborations

Throughout his career, Takaho Tanigawa has collaborated with several distinguished professionals in the field, including Mieko Suzuki and Tetsuya Homma. These collaborations have contributed to the enhancement of technological advancements and fostered an environment of innovation and creativity in semiconductor research and development.

Conclusion

In summary, Takaho Tanigawa stands out as an influential inventor whose work in semiconductor technology has paved the way for significant advancements in memory devices. His latest patents underscore his dedication to innovation and his commitment to enhancing the capabilities of electronic components, solidifying his legacy as a pioneer in the field.

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]