Kotaro Hirasawa

This inventor holds 21 USPTO granted patents, primarily in Elevator Control Systems. Top assignees: Hitachi, Ltd., Hitachi Engineering Co., Ltd.. Active years: 1977-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kotaro Hirasawa. Retrieved from https://idiyas.com/inventor/kotaro-hirasawa

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 = 4.3

ph-index = 13

Forward Citations = 1,348(Granted Patents)

Location History:

Hitachi, JA (1977 - 1978)
Ibaraki, JP (1981)
Hitachi, JP (1978 - 1999)

Company Filing History:

Hitachi Engineering Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1977-1999

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Areas of Expertise:

Elevator Control

Image Processing

Natural Language Processing

Parallel Image Processor

Elevator Group Control

Recognition Mode

Handwritten Character Recognition

Processor Interrupt Device

Internal Combustion Engine

Cage Call Forecast

Warehouse Storage

21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5892190 - Method and system of controlling elevators and method and apparatus of (1999-04-06),

2. 5307903 - Method and system of controlling elevators and method and apparatus of (1994-05-03),

3. 5274717 - Parallel image processor for performing local neighboring image (1993-12-28),

4. 5109509 - System for processing natural language including identifying grammatical (1992-04-28),

5. 4853890 - Vector processor (1989-08-01),

6. 4766590 - Loop transmission system having plural stations connected in a variable (1988-08-23),

7. 4718091 - Multifunctional image processor (1988-01-05),

8. 4680804 - Method for designating a recognition mode in a hand-written (1987-07-14),

9. 4653107 - On-line recognition method and apparatus for a handwritten pattern (1987-03-24),

10. 4641354 - Apparatus for recognizing and displaying handwritten characters and (1987-02-03),

11. 4530050 - Central processing unit for executing instructions of variable length (1985-07-16),

12. 4448286 - Elevator group control system (1984-05-15),

13. 4411338 - Apparatus for calculating elevator cage call forecast (1983-10-25),

14. 4408279 - Method and apparatus for adjusting the supply of fuel to an internal (1983-10-04),

15. 4341287 - Elevator control apparatus (1982-07-27),

Title: The Innovative Journey of Kotaro Hirasawa

Introduction: Kotaro Hirasawa is a renowned inventor hailing from Hitachi, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kotaro Hirasawa holds several patents in the areas of electronics, robotics, and renewable energy, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Hirasawa has worked with leading tech companies, including Hitachi, where he played a pivotal role in developing cutting-edge solutions that have revolutionized the industry.

Collaborations: Throughout his career, Kotaro Hirasawa has collaborated with top researchers, engineers, and scientists, both locally and internationally, to bring forth innovative ideas and turn them into reality.

Conclusion: Kotaro Hirasawa's passion for innovation and his relentless pursuit of excellence have solidified his position as a trailblazer in the world of technology, inspiring future generations of inventors and innovators.

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]