Hyogo, Japan

Hisashi Tsukazaki

This inventor holds 5 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1989-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisashi Tsukazaki. Retrieved from https://idiyas.com/inventor/hisashi-tsukazaki

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 5

Forward Citations = 108(Granted Patents)


Location History:

  • Amagasaki, JP (1993)
  • Hyogo, JP (1989 - 1996)
  • Tokyo, JP (1998)

Company Filing History:


Years Active: 1989-1998

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5 patents (USPTO):Explore Patents

Title: Hisashi Tsukazaki: Innovator in Semiconductor Manufacturing

Introduction

Hisashi Tsukazaki is a prominent inventor based in Hyogo, Japan. He has made significant contributions to the field of semiconductor manufacturing, holding a total of 5 patents. His work focuses on enhancing the efficiency and accuracy of semiconductor production processes.

Latest Patents

One of Hisashi Tsukazaki's latest patents is a semiconductor manufacturing apparatus. This apparatus features a particle monitor that counts the number of fine particles in the exhaust gas from a process chamber. The end point detection controller observes the count value over time to accurately detect the end point of plasma etching or cleaning. Additionally, this apparatus allows for high-accuracy calibration of the particle monitor's detection capabilities.

Another notable patent is a thin film deposition apparatus designed for semiconductor manufacturing. This apparatus is particularly effective in depositing diffusion barrier thin films onto substrates with concave portions, such as contact holes. It employs a small surface or point source for evaporation, ensuring that the deposition process achieves good coverage on the bottom surface of the contact hole.

Career Highlights

Hisashi Tsukazaki is associated with Mitsubishi Denki Kabushiki Kaisha, a leading company in the electronics and semiconductor industry. His innovative work has contributed to advancements in semiconductor technology, making processes more efficient and reliable.

Collaborations

Hisashi has collaborated with notable coworkers, including Kenichiro Yamanishi and Seiji Yasunaga. Their combined expertise has fostered a collaborative environment that drives innovation in semiconductor manufacturing.

Conclusion

Hisashi Tsukazaki's contributions to semiconductor manufacturing through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in technology and manufacturing processes.

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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