logo

For the Inventor, By the Inventor

Yokosuka, Japan

Hitoshi Iwasaki

This inventor holds 225 USPTO granted patents and 2 published patent applications, primarily in Magnetic Recording Technology (CPC class 360113). Top assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage Corporation, Tdk Corporation. Active years: 1987-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Iwasaki. Retrieved from https://idiyas.com/inventor/hitoshi-iwasaki

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

Calculating rank
USPTO Granted Patents = 225 

% Patents Active = 70.7

Average Co-Inventor Count = 4.8

ph-index = 29

Forward Citations = 3,143(Granted Patents)

Forward Citations (Not Self Cited) = 2,428(Dec 10, 2025)


Inventors with similar research interests:

🔬 See more inventors

Location History:

  • Kanagawa, JP (2009)
  • Yokohama, JP (1994 - 2011)
  • Yokosuka, JP (1996 - 2014)
  • Kanagawa-ken, JP (2002 - 2016)
  • Tokyo, JP (1987 - 2023)
  • Nerima, JP (2022 - 2023)
  • Nerima Tokyo, JP (2019 - 2024)

Company Filing History:

goldMedal223 out of 53,286 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal15 out of 1,715 
 
Toshiba Electronic Devices & Storage Corporation
 patents
bronzeMedal5 out of 8,271 
 
Tdk Corporation
 patents
4. 1 out of 29 
 
Kabuhsiki Kaisha Toshiba
 patents
5. 1 out of 324 
 
Tanabe Seiyaku Company, Limited
 patents
where one patent can have more than one assignee

Years Active: 1987-2024

Loading Chart...
Areas of Expertise:
Magnetic Sensor
Magnetic Recording Device
Magnetic Head
Inspection Device
Diagnostic Device
Stacked Body
Magnetoresistive Element
High Density Recording
Biological Cell Sensing
Semiconductor Device
Electrical Resistance
Assisted Magnetic Recording
225 patents (USPTO):Explore Patents
1. 11946975 - Magnetic sensor and inspection device (2024-04-02),
2. 11815570 - Magnetic sensor and diagnostic device (2023-11-14),
3. 11759118 - Magnetic sensor and inspection device (2023-09-19),
4. 11747303 - Magnetic sensor and inspection device (2023-09-05),
5. 11726149 - Magnetic sensor and inspection device (2023-08-15),
6. 11705152 - Magnetic head and magnetic recording device including a stacked body having a first magnetic member and a second magnetic member (2023-07-18),
7. 11626130 - Magnetic head with stacked body having specified compositions of magnetic and nonmagnetic layers thereof (2023-04-11),
8. 11568890 - Magnetic recording device and magnetic recording method utilizing assisted magnetic recording (2023-01-31),
9. 11513174 - Magnetic sensor and inspection device (2022-11-29),
10. 11513173 - Magnetic sensor and inspection device (2022-11-29),
11. 11495250 - Magnetic recording device including a magnetic head including a stacked body between magnetic poles (2022-11-08),
12. 11493572 - Magnetic sensor (2022-11-08),
13. 11493571 - Magnetic sensor and inspection device (2022-11-08),
14. 11443762 - Magnetic head and magnetic recording device including a stacked body having a first magnetic member and a second magnetic member (2022-09-13),
15. 11437059 - Magnetic head and magnetic recording device with stacked body material configurations (2022-09-06),

Title: Hitoshi Iwasaki: Pioneering Magnetic Sensor Innovations

Introduction:

Hitoshi Iwasaki, a renowned inventor and innovator hailing from Yokosuka, Japan, has left an indelible mark on the world of magnetic sensor technology. With an impressive portfolio of 223 patents to his name, Iwasaki has revolutionized the field with his groundbreaking inventions. This article delves into his latest patents, career highlights, collaborations, and the lasting impact he has had on the industry.

Latest Patents:

Among Hitoshi Iwasaki's recent patents, two intriguing inventions stand out: the Magnetic Sensor and Inspection Device. In one embodiment, this magnetic sensor features a first sensor part and a conductive member. Integrated within the first sensor part are magnetic elements and counter magnetic parts, which allow for precise magnetic field sensing. This patent showcases Iwasaki's mastery in designing cutting-edge magnetic sensors for various applications.

Career Highlights:

Hitoshi Iwasaki has had an illustrious career, leaving an indelible imprint on the Japanese technology sector. Notably, he has served as a valuable asset to esteemed companies such as Toshiba Electronic Devices & Storage Corporation and Kabushiki Kaisha Toshiba. His expertise and dedication have made him an invaluable contributor to the advancement of technology and innovation within these organizations.

Collaborations:

Throughout his career, Hitoshi Iwasaki has had the pleasure of collaborating with several accomplished individuals. Notable among his coworkers are Masayuki Takagishi and Masashi Sahashi. These collaborations have sparked innovative ideas and led to the birth of remarkable inventions in the field of magnetic sensor technology.

Conclusion:

Hitoshi Iwasaki's extraordinary contributions to the field of magnetic sensor technology have propelled the industry forward, setting new standards and possibilities for future advancements. With his numerous patents and groundbreaking inventions, he has left an enduring mark on the field, inspiring upcoming generations of inventors and innovators. Hitoshi Iwasaki's passion for exploration and his unwavering dedication to pushing boundaries continue to shape the landscape of innovations, making him a true trailblazer in his field.

(Note: This article is a fictional creation and does not represent actual information or individuals.)

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]
Loading…