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For the Inventor, By the Inventor

Kokubunji, Japan

Akihiro Takanashi

This inventor holds 12 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1977-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akihiro Takanashi. Retrieved from https://idiyas.com/inventor/akihiro-takanashi

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

USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 4.6

ph-index = 8

Forward Citations = 1,239(Granted Patents)


Location History:

  • Gainesville, FL (US) (1977)
  • Kokubunji, JP (1982 - 1999)

Company Filing History:

goldMedal12 out of 42,731 
 
Hitachi, Ltd.
 patents

Years Active: 1977-1999

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12 patents (USPTO):Explore Patents
1. 5934368 - Air-cooled electronic apparatus with condensation prevention (1999-08-10),
2. 4614432 - Pattern detector (1986-09-30),
3. 4597669 - Pattern detector (1986-07-01),
4. 4504726 - Pattern generator (1985-03-12),
5. 4480910 - Pattern forming apparatus (1984-11-06),
6. 4477183 - Automatic focusing apparatus (1984-10-16),
7. 4477182 - Pattern exposing apparatus (1984-10-16),
8. 4455485 - Laser beam scanning system (1984-06-19),
9. 4441206 - Pattern detecting apparatus (1984-04-03),
10. 4380395 - Reduction projection aligner system (1983-04-19),
11. 4317383 - Proportional linear output system (1982-03-02),
12. 4057347 - Optical exposure apparatus (1977-11-08),

Title: Akihiro Takanashi: Innovator in Semiconductor Technology

Introduction

Akihiro Takanashi is a prominent inventor based in Kokubunji, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 12 patents. His innovative work focuses on enhancing the reliability and efficiency of electronic apparatuses.

Latest Patents

One of Takanashi's latest patents is an air-cooled electronic apparatus with condensation prevention. This highly reliable electronic apparatus is designed to be free from condensation within its cabinet. It features printed circuit boards with heat-emitting semiconductor devices and a fan. Additionally, it includes a hygrometer for measuring the relative humidity and dew-point temperature of the cooling air. The apparatus is equipped with surface and internal temperature sensors, a dehumidifier, and heater means controlled by a sophisticated controller to maintain optimal conditions.

Another notable patent is a pattern detector for precise position measurement of a wafer. This device is utilized in mask aligners for semiconductor manufacturing. It magnifies and projects a positioning pattern on the wafer, allowing for accurate detection of its position. The system employs multiple monochromatic lights of different wavelengths, enabling the selection of the optimal wavelength for precise measurements.

Career Highlights

Akihiro Takanashi is currently employed at Hitachi, Ltd., where he continues to innovate in the semiconductor field. His work has significantly impacted the efficiency and reliability of electronic devices, making him a key figure in the industry.

Collaborations

Takanashi has collaborated with notable coworkers, including Toshiei Kurosaki and Shinji Kuniyoshi. Their combined expertise has contributed to the advancement of semiconductor technologies.

Conclusion

Akihiro Takanashi's contributions to semiconductor technology through his innovative patents demonstrate his commitment to enhancing electronic apparatuses. His work continues to influence the industry, making him a respected inventor in his 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]
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