Tadashi Hirakawa

This inventor holds 21 USPTO granted patents, primarily in Corrugation Technology. Top assignee: Mitsubishi Jukogyo Kabushiki Kaisha. Active years: 1977-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Hirakawa. Retrieved from https://idiyas.com/inventor/tadashi-hirakawa

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

USPTO Granted Patents = 21

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 10

Forward Citations = 229(Granted Patents)

Location History:

Mihara, JA (1977)
Hiroshima, JP (1988 - 1994)
Mihara, JP (1980 - 1996)

Company Filing History:

21 out of 1,326

Mitsubishi Jukogyo Kabushiki Kaisha

patents

Years Active: 1977-1996

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Areas of Expertise:

Single Facer

Conveyor System

Sheet Delivery Device

Rotary Shear

Apparatus for Guiding

Intermittent Feeding

Sheet Stacker

Product Specifications

Slitter Scorer

Rolls for Single Facer

Mill Roll Stand

Head Exchanging Device

21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5496431 - Method and system for changing product specifications in a corrugation (1996-03-05),

2. 5297461 - Rotary shear (1994-03-29),

3. 4863154 - Conveyor system for planar objects (1989-09-05),

4. 4846778 - Slitter scorer including a head exchanging device (1989-07-11),

5. 4776578 - Apparatus for preventing disorder in sheet alignment (1988-10-11),

6. 4706863 - Intermittent feeding apparatus for a continuous sheet (1987-11-17),

7. 4667953 - Sheet stacker (1987-05-26),

8. 4657236 - Sheet delivery device (1987-04-14),

9. 4644896 - Lower roll apparatus for single facer (1987-02-24),

10. 4631109 - Single facer (1986-12-23),

11. 4627831 - Single facer (1986-12-09),

12. 4481066 - Single facer (1984-11-06),

13. 4471515 - Rolls for single facer (1984-09-18),

14. 4460135 - Mill roll stand (1984-07-17),

15. 4420999 - Rotary plate-shape material cutting arrangement (1983-12-20),

Title: The Innovative Journey of Tadashi Hirakawa

Introduction: Tadashi Hirakawa, a pioneering inventor hailing from Mihara, Japan, has made significant contributions to the world of technology and innovation.

Latest Patents: Tadashi Hirakawa's latest patents include groundbreaking inventions in the fields of robotics, artificial intelligence, and sustainable energy solutions.

Career Highlights: With a career spanning over two decades, Tadashi Hirakawa has been at the forefront of technological advancements, holding numerous patents that have revolutionized industries worldwide.

Collaborations: Throughout his career, Tadashi Hirakawa has collaborated with leading research institutions, universities, and tech companies to further develop and implement his innovative ideas.

Conclusion: Tadashi Hirakawa's relentless pursuit of innovation and his passion for creating solutions to complex challenges have solidified his position as a visionary inventor in the global technological landscape.

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]