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For the Inventor, By the Inventor

Neyagawa, Japan

Hiromi Tojima

USPTO Granted Patents = 15

Average Co-Inventor Count = 1.6

ph-index = 8

Forward Citations = 179(Granted Patents)


Location History:

  • Hirakata, JP (1986 - 1990)
  • Osaka, JP (1990 - 1991)
  • Neyagawa, JP (1990 - 1992)

Company Filing History:

goldMedal15 out of 310 
 
Kabushiki Kaisha Daikin Seisakusho
 patents

Years Active: 1986-1992

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15 patents (USPTO):Explore Patents
1. 5088583 - Clutch cover assembly with spring biased release assembly (1992-02-18),
2. 5059155 - Friction device of damper disc (1991-10-22),
3. 5058718 - Clutch facing abrasion indicator (1991-10-22),
4. 5054598 - Clutch cover assembly (1991-10-08),
5. 5029687 - Self adjuster for pull-type clutch (1991-07-09),
6. 5014840 - Release bearing mechanism of a clutch (1991-05-14),
7. 4967892 - Cushioned clutch disc with stiffening plates (1990-11-06),
8. 4949829 - Clutch cover assembly with annular coned disc spring (1990-08-21),
9. 4947975 - Release bearing mechanism of a clutch (1990-08-14),
10. 4944499 - Damper disk (1990-07-31),
11. 4911278 - Damper disk having axially opposed diaphram sprines (1990-03-27),
12. 4743217 - Damper disc having sealed spring chambers (1988-05-10),
13. 4674991 - Damper disc having annular protrusions and recesses (1987-06-23),
14. 4601676 - Damper disc (1986-07-22),
15. 4565273 - Damper disk having hydraulic shock absorbers (1986-01-21),

Title: Innovator Spotlight: Hiromi Tojima

Introduction: Hiromi Tojima is a notable inventor based in Neyagawa, Japan, with a remarkable portfolio of 15 patents. Her innovative contributions primarily focus on enhancements in clutch systems, showcasing her expertise in mechanical engineering and automotive technology.

Latest Patents: Among her latest inventions is the "Clutch Cover Assembly with Spring Biased Release Assembly." This innovative design utilizes a clutch disc assembly that holds a diaphragm spring through wire rings clamped by bent tabs or stud pins. It incorporates a coned disc spring that efficiently manages the increase in releasing load based on the wear of clutch facings, ensuring optimal performance. Additionally, Tojima has developed a "Clutch Facing Abrasion Indicator," which features a pressure plate linked through a mechanical mechanism to detect clutch disc wear. This system employs a contact-free sensor located within the clutch's stationary components to alert users when the friction facing reaches a specific limit, enhancing safety and performance.

Career Highlights: Hiromi Tojima has made significant strides in her career at Kabushiki Kaisha Daikin Seisakusho, where her ingenuity drives advancements in clutch technology. Her work not only reflects her skills as an inventor but also contributes to the broader automotive industry by ensuring efficient and reliable vehicle performance.

Collaborations: Tojima collaborates with esteemed colleagues Kouji Kajitani and Hiroshi Takeuchi. Together, they combine their expertise to push forward the boundaries of automotive innovations, sharing a passion for creating efficient mechanical systems.

Conclusion: Hiromi Tojima's inventive spirit and commitment to innovation make her a key player in the realm of automotive engineering. Her patents not only reflect her dedication to improving clutch technologies but also inspire future innovations within the industry. As her career progresses, it will be exciting to see how her contributions continue to shape automotive advancements.

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