IDiyas

For the Inventor, By the Inventor

Tsuchiura, Japan

Kenji Otani

USPTO Granted Patents = 15

Average Co-Inventor Count = 3.3

ph-index = 7

Forward Citations = 128(Granted Patents)


Company Filing History:

goldMedal15 out of 42,485 
 
Hitachi, Ltd.
 patents

Years Active: 1992-2000

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15 patents (USPTO):Explore Patents
1. 6132136 - Drainage water pumping station and method for operating the same (2000-10-17),
2. 6102618 - Large-depth underground drainage facility and method of running same (2000-08-15),
3. 5909982 - Large-depth underground drainage facility and method of running same (1999-06-08),
4. 5839880 - Bearing unit, drainage pump and hydraulic turbine each incorporating the (1998-11-24),
5. 5733064 - Drainage water pumping station and method for operating the same (1998-03-31),
6. 5634740 - Large-depth underground drainage facility and method of running same (1997-06-03),
7. 5603587 - Drainage water pumping station and method for operating the same (1997-02-18),
8. 5498105 - Drainage water pumping station and method for operating the same (1996-03-12),
9. 5487621 - Large-depth underground drainage facility and method of running same (1996-01-30),
10. 5458460 - Drainage pump and a hydraulic turbine incorporating a bearing member, (1995-10-17),
11. 5360289 - Drainage water pumping station and method for operating the same (1994-11-01),
12. 5346316 - Bearing unit, drainage pump and hydraulic turbine each incorporating the (1994-09-13),
13. 5287875 - Draining pump system and drainage preference operating method therefor (1994-02-22),
14. 5228802 - Underground drainage facility and operation method therefor (1993-07-20),
15. 5160216 - Drainage distribution amount determining method and drainage system (1992-11-03),

Title: The Innovative Contributions of Kenji Otani

Introduction

Kenji Otani, an accomplished inventor hailing from Tsuchiura, Japan, has established himself as a prominent figure in the field of engineering and innovation. With a remarkable portfolio of 15 patents, Otani has made significant advancements in drainage pumping systems, reflecting his dedication to improving public safety and environmental management.

Latest Patents

Among his latest inventions is a cutting-edge drainage water pumping station designed to optimize the operation of drainage systems. This innovative pumping system incorporates multiple drainage pumps installed at two distinct levels. The lower-level pumps are engineered with a high pump head but a smaller capacity, while the upper-level pumps feature a larger capacity with a lower pump head. This strategic arrangement allows for effective water management, where drainage water from underground inflow pipelines is efficiently directed to the desired discharge destination.

Another notable patent showcases his work on large-depth underground drainage facilities. This invention significantly enhances flood control measures by providing an underground channel that directs rainwater and other excess water from flood systems and rivers through vertical shafts. A pump well located at the downstream end of this underground channel plays a crucial role, discharging water into a tank for effective management. Otani's methodology ensures that the underground channel can operate in both open and closed conditions, adapting to fluctuating water levels and rainfall patterns, thereby maintaining stability in drainage operations.

Career Highlights

Otani's impressive career primarily unfolds at Hitachi, Ltd., where he has applied his expertise to develop innovative solutions that address pressing environmental challenges. His ability to merge theoretical knowledge with practical applications has garnered attention and accolades in the engineering community.

Collaborations

Throughout his career, Kenji Otani has collaborated with esteemed colleagues, including Kunio Takada and Sadashi Tanaka. Together, they have pooled their expertise to enhance the efficiency and effectiveness of drainage systems, thus bolstering Hitachi’s reputation as a leader in technological advancement.

Conclusion

Kenji Otani's contributions to the field of drainage engineering not only highlight his role as an inventor but also underscore the importance of innovation in addressing global environmental issues. His work stands as a testament to how strategic design and collaboration can lead to ground-breaking solutions that benefit communities and protect ecosystems.

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