Hisanobu Kanamaru

This inventor holds 79 USPTO granted patents, plus 6 CIPO patents and 4 EPO patents, primarily in Mechanical Press Technology (CPC class 2952). Top assignees: Hitachi, Ltd., Aida Engineering Co., Ltd., Hitachi Automotive Engineering Co., Ltd.. Active years: 1976-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisanobu Kanamaru. Retrieved from https://idiyas.com/inventor/hisanobu-kanamaru

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

USPTO Granted Patents = 79

% Patents Active = 89.9

CIPO Patents = 6 (Patent Applications = 1)

EPO Patents = 4 (Patent Applications = 1)

Average Co-Inventor Count = 2.8

ph-index = 15

Forward Citations = 718(Granted Patents)

Forward Citations (Not Self Cited) = 675(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Katsuta, JA (1976 - 1978)
Higashiishikawa, JP (1983)
Hitachi, JP (1990)
Katsuta, JP (1981 - 1999)
Ibaraki, JP (1981 - 2001)
Hitachinaka, JP (1995 - 2002)
Kanagawa, JP (2006)
Sagamihara, JP (2001 - 2007)

Company Filing History:

Aida Engineering Co., Ltd.

patents

5 out of 152

Hitachi Automotive Engineering Co., Ltd.

patents

4. 2 out of 149

Hitachi Powdered Metals Co., Ltd.

Aida Engineering, Ltd.

patents

8. 1 out of 11

Hitachi Automotive Engineering, Ltd.

Hitachi Construction Machinery Co., Ltd.

patents

11. 1 out of 1

Hitachi Powdered Metals

where one patent can have more than one assignee

Years Active: 1976-2007

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Areas of Expertise:

Mechanical Press

Fluid Pressure Extrusion

Fuel Injection Valve

Variable Displacement Pump

Universal Joint

Hydrodynamic Bearing

Gear Forming

Seal Structure

Axial Piston Pump

Manufacturing Method

Drive Mechanism

Compression Device

79 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7310988 - Drive device for a mechanical press (2007-12-25),

2. 7284405 - Pressure controlled fluid pressure extrusion method (2007-10-23),

3. 7013800 - Mechanical press (2006-03-21),

4. 6951124 - Method for making elements of a continuously variable transmission belt (2005-10-04),

5. 6871587 - Machine press (2005-03-29),

6. 6764218 - Slide guide device for presses (2004-07-20),

7. 6688153 - Toothed part with a shaft and molding method for the same (2004-02-10),

8. 6662715 - Slider link press (2003-12-16),

9. 6524092 - Slide guide device, knockout device, and press machine using the same (2003-02-25),

10. 6478566 - Slide guide device, knockout device, and press machine using the same (2002-11-12),

11. 6422831 - Variable displacement piston pump/motor (2002-07-23),

12. 6409479 - Variable displacement piston pump/motor (2002-06-25),

13. 6406374 - Outer ring of a constant velocity universal joint and manufacturing method for the same (2002-06-18),

14. 6369981 - Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unit (2002-04-09),

15. 6369980 - Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unit (2002-04-09),

Title: The Innovative Journey of Hisanobu Kanamaru

Introduction: Hisanobu Kanamaru, a visionary inventor hailing from Katsuta, Japan, has made significant contributions to the field of technology through his groundbreaking inventions and patents.

Latest Patents: Hisanobu Kanamaru's latest patents include cutting-edge technologies in the fields of robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to driving innovation forward.

Career Highlights: With a career spanning over two decades, Kanamaru has worked with leading tech companies and research institutions, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Hisanobu Kanamaru has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of creativity and excellence that has led to numerous successful inventions and patents.

Conclusion: Hisanobu Kanamaru's relentless pursuit of innovation and his passion for creating a better future through technology make him a true pioneer in the world of inventions. His legacy will continue to inspire generations of inventors to come.

Profile summary based on public USPTO records.