Sendai, Japan

Hiraku Ishikawa

USPTO Granted Patents = 13 

Average Co-Inventor Count = 1.5

ph-index = 3

Forward Citations = 142(Granted Patents)


Location History:

  • Kofu, JP (2004)
  • Amagasaki, JP (2010)
  • Miyagi, JP (2012 - 2013)
  • Sendai, JP (2010 - 2015)
  • Nirasaki, JP (2019)

Company Filing History:


Years Active: 2004-2019

Loading Chart...
13 patents (USPTO):Explore Patents

Title: Hiraku Ishikawa: Innovator in Boron Film Technology

Introduction: Hiraku Ishikawa, an accomplished inventor based in Sendai, Japan, has made significant contributions to the field of semiconductor technology. With an impressive portfolio of 13 patents, Ishikawa’s work focuses on advanced film-forming methods that enhance electronic device manufacturing processes.

Latest Patents: Among his latest innovations is a film forming method for creating boron films on substrates used in semiconductor devices. This method involves plasmarizing a reaction gas containing a boron-containing gas under specific pressure conditions ranging from 0.67 to 33.3 Pa (5 to 250 mTorr). Additionally, he has developed a method for the after-treatment of amorphous hydrocarbon films, which substitutes functional groups on the outer surface of these films formed on silicon substrates. This after-treatment, involving heat applications in both non-silane and silane gas atmospheres, enhances film properties, paving the way for subsequent layers, such as hard masks, in electronic devices.

Career Highlights: Hiraku Ishikawa’s career is marked by his role at Tokyo Electron Limited, a leader in producing semiconductor manufacturing equipment. His innovative work has significantly contributed to the advancement of technologies that are critical for the production of modern electronic devices.

Collaborations: Hiraku has collaborated with notable colleagues, including Teruyuki Hayashi and Takaaki Matsuoka. Together, they have driven significant advancements in semiconductor manufacturing techniques, fostering innovation and excellence in their field.

Conclusion: Hiraku Ishikawa stands out as a pivotal figure in the realm of semiconductor technology. His patents reflect a commitment to advancing film forming methods that are crucial for modern electronic device manufacturing. As the industry evolves, Ishikawa's innovative contributions will undoubtedly continue to shape the future of technology.

This text is generated by artificial intelligence and may not be accurate.
Please report any incorrect information to support@idiyas.com
Loading…