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For the Inventor, By the Inventor

Hitachinaka, Japan

Takao Matsuoka

This inventor holds 5 USPTO granted patents. Top assignee: Hitachi Koki Co., Ltd.. Active years: 1995-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takao Matsuoka. Retrieved from https://idiyas.com/inventor/takao-matsuoka

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 5.8

ph-index = 3

Forward Citations = 26(Granted Patents)


Location History:

  • Katsuta, JP (1995)
  • Hitachinaka, JP (1999 - 2001)

Company Filing History:

goldMedal5 out of 1,267 
 
Hitachi Koki Co., Ltd.
 patents

Years Active: 1995-2001

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5 patents (USPTO):Explore Patents
1. 6264310 - Multi-nozzle ink jet head with dummy piezoelectric elements at both ends of a piezoelectric element array for controlling the flow of adhesive about the piezoelectric element array (2001-07-24),
2. 6042210 - Matrix driving circuit of an ink jet printer and a method of driving the (2000-03-28),
3. 5870126 - Ink jet printer having bubble purge mechanism (1999-02-09),
4. 5436651 - Ink jet printer having elastically deformable ink supply tube (1995-07-25),
5. 5381168 - Suction-purging unit and suction purging method for an ink jet printer (1995-01-10),

Title: Takao Matsuoka: Innovator in Ink Jet Technology

Introduction

Takao Matsuoka is a prominent inventor based in Hitachinaka, Japan. He has made significant contributions to the field of ink jet technology, holding a total of 5 patents. His innovative designs have advanced the functionality and efficiency of ink jet printers.

Latest Patents

One of Matsuoka's latest patents is for a multi-nozzle ink jet head that incorporates dummy piezoelectric elements at both ends of a piezoelectric element array. This design is aimed at controlling the flow of adhesive around the piezoelectric elements, ensuring uniform operations and reducing unwanted vibrations. Another notable patent involves a matrix driving circuit for ink jet printers, which optimizes the voltage supply to piezoelectric elements, allowing for precise control over ink droplet ejection.

Career Highlights

Matsuoka is currently employed at Hitachi Koki Co., Ltd., where he continues to develop innovative solutions in ink jet technology. His work has not only enhanced the performance of ink jet printers but has also contributed to the overall advancement of printing technology.

Collaborations

Throughout his career, Matsuoka has collaborated with notable colleagues such as Kazunobu Hayashi and Norimasa Kondo. These partnerships have fostered a creative environment that has led to groundbreaking innovations in their field.

Conclusion

Takao Matsuoka's contributions to ink jet technology exemplify the impact of innovative thinking in engineering. His patents reflect a commitment to enhancing the functionality of printing systems, making him a key figure in the industry.

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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