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For the Inventor, By the Inventor

Gotemba, Japan

Shoji Katsumata

USPTO Granted Patents = 7

Average Co-Inventor Count = 7.3

ph-index = 4

Forward Citations = 86(Granted Patents)


Location History:

  • Gotenba, JP (2002 - 2006)
  • Gotemba, JP (2004 - 2006)

Company Filing History:

goldMedal7 out of 36,499 
 
Toyota Jidosha Kabushiki Kaisha
 patents

Years Active: 2002-2006

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7 patents (USPTO):Explore Patents
1. 7111594 - Method of operating internal combustion engine including electromagnetically driven intake valves (2006-09-26),
2. 7007920 - Method of controlling energization of electro-magnetically driven valve with variable feedback gain (2006-03-07),
3. 6830536 - Method and apparatus for controlling the cylinder torque of a combustion engine (2004-12-14),
4. 6830233 - Control apparatus of electromagnetic drive valve and control method of the same (2004-12-14),
5. 6759640 - Method of controlling current applied to electromagnetically driven valve and control system (2004-07-06),
6. 6546910 - Method and apparatus for controlling the cylinder torque of a combustion engine having electromagnetically driven valves (2003-04-15),
7. 6477993 - Control device for solenoid driving valve (2002-11-12),

Title: Innovations by Shoji Katsumata

Introduction

Shoji Katsumata is a notable inventor based in Gotemba, Japan. He has made significant contributions to the field of internal combustion engines, holding a total of 7 patents. His work focuses on enhancing the efficiency and performance of engine components through innovative methods.

Latest Patents

Katsumata's latest patents include a method of operating an internal combustion engine that features electromagnetically driven intake valves. This method detects deviations in the opening operation of the intake valve and corrects parameters to maintain optimal intake air charging states. Another significant patent involves a control method for energizing electro-magnetically driven valves with variable feedback gain. This method improves the opening and closing speeds of the valves, ensuring that the final speed of the valve action approaches zero.

Career Highlights

Shoji Katsumata is currently employed at Toyota Jidosha Kabushiki Kaisha, where he continues to innovate in the automotive sector. His work has contributed to advancements in engine technology, making vehicles more efficient and responsive.

Collaborations

Katsumata has collaborated with notable coworkers such as Keiji Yoeda and Isao Matsumoto, further enhancing the innovative environment at Toyota.

Conclusion

Shoji Katsumata's contributions to the field of internal combustion engines exemplify the impact of innovative thinking in automotive technology. His patents reflect a commitment to improving engine performance and efficiency.

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