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For the Inventor, By the Inventor

Kokubunji, Japan

Susumu Hiraoka

This inventor holds 7 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1989-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Susumu Hiraoka. Retrieved from https://idiyas.com/inventor/susumu-hiraoka

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 = 100.0

Average Co-Inventor Count = 4.0

ph-index = 6

Forward Citations = 551(Granted Patents)


Company Filing History:

goldMedal7 out of 42,740 
 
Hitachi, Ltd.
 patents

Years Active: 1989-2003

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7 patents (USPTO):Explore Patents
1. 6662115 - Method for comparison of DNA base sequences (2003-12-09),
2. 5505778 - Surface treating apparatus, surface treating method and semiconductor (1996-04-09),
3. 5401357 - Dry etching method (1995-03-28),
4. 5110407 - Surface fabricating device (1992-05-05),
5. 5108778 - Surface treatment method (1992-04-28),
6. 4886571 - Surface treatment and apparatus therefor (1989-12-12),
7. 4828874 - Laser surface treatment method and apparatus for practicing same (1989-05-09),

Title: Susumu Hiraoka: Innovator in DNA Comparison and Surface Treatment Technologies

Introduction

Susumu Hiraoka is a prominent inventor based in Kokubunji, Japan. He has made significant contributions to the fields of biotechnology and semiconductor technology. With a total of 7 patents to his name, Hiraoka's work has had a profound impact on various technological advancements.

Latest Patents

One of Hiraoka's latest patents is a method for comparing DNA base sequences. This innovative method involves comparing similarities between two amino acid sequences that are translated from two DNA base sequences. The process includes dividing each DNA sequence into groups of three nucleotides, translating these into amino acids, and determining similarities while accounting for nucleotide and amino acid insertions or deletions. Another notable patent is for a surface treating apparatus and method that utilizes a thermally excited molecular beam. This apparatus is designed to prevent contaminants from affecting the sample during treatment by hermetically separating the heating source from the sample.

Career Highlights

Hiraoka is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to develop groundbreaking technologies that enhance the efficiency and effectiveness of various processes in semiconductor manufacturing and biotechnology.

Collaborations

Hiraoka has collaborated with notable colleagues such as Keizo Suzuki and Tetsuo Ono. Their combined expertise has contributed to the advancement of technologies in their respective fields.

Conclusion

Susumu Hiraoka's contributions to innovation in DNA comparison and surface treatment technologies highlight his role as a key inventor in Japan. His patents reflect a commitment to advancing technology and improving processes in critical industries.

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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