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For the Inventor, By the Inventor

Kanagawa, Japan

Hisashi Kajiura

USPTO Granted Patents = 16

 

Average Co-Inventor Count = 4.5

ph-index = 4

Forward Citations = 74(Granted Patents)


Location History:

  • Kanagawa, JP (2002 - 2011)
  • Tokyo, JP (2011 - 2014)

Company Filing History:

goldMedal16 out of 58,129 
 
Sony Corporation
 patents

Years Active: 2002-2014

where 'Filed Patents' based on already Granted Patents

16 patents (USPTO):
1. 8679849 - Method and device for detection of heavy metal ions in water (2014-03-25),
2. 8231854 - Method for treating carbon nanotubes, carbon nanotubes and carbon nanotubes device comprising thereof (2012-07-31),
3. 8124044 - Carbon nanotubes, a method of preparing the same and an element using the same (2012-02-28),
4. 7892063 - Method of manufacturing tubular carbon molecule and tubular carbon molecule, method of manufacturing recording apparatus and recording apparatus, method of manufacturing field electron emission device and field electron emission device, and method of manufacturing display unit and display unit (2011-02-22),
5. 7887773 - Method for treating carbon nanotubes, carbon nanotubes and carbon nanotube devices (2011-02-15),
6. 7828620 - Method of manufacturing tubular carbon molecule and tubular carbon molecule, method of manufacturing field electron emission device and field electron emission device, and method of manufacturing display unit and display unit (2010-11-09),
7. 7736741 - Single-wall carbon nanotube heterojunction (2010-06-15),
8. 7045240 - Power generating apparatus having a proton conductor unit that includes a fullerene derivative (2006-05-16),
9. 7037622 - Carbonaceous material for hydrogen storage and method for preparation thereof, carbonaceous material having hydrogen absorbed therein and method for preparation thereof, cell and fuel cell using carbonaceous material having hydrogen absorbed therein (2006-05-02),
10. 7014952 - Hydrogen-storing carbonaceous material and method for producing the same, hydrogen-stored carbonaceous material and method for producing the same and battery and fuel cell using hydrogen-stored carbonaceous material (2006-03-21),
11. 7014951 - Carbonaceous material for hydrogen storage, and method for preparation thereof, carbonaceous material having hydrogen absorbed therein and method for preparation thereof, cell and fuel cell using carbonaceous material having hydrogen absorbed therein (2006-03-21),
12. 7008725 - Hydrogen-storing carbonaceous material and method for producing the same, hydrogen-stored carbonaceous material and method for producing the same and battery and fuel cell using hydrogen-stored carbonaceous material (2006-03-07),
13. 6855231 - Method and system for production fullerene (2005-02-15),
14. 6794599 - Device and method for manufacture of carbonaceous material (2004-09-21),
15. 6794598 - Arc electrodes for synthesis of carbon nanostructures (2004-09-21),

Title: Hisashi Kajiura: Innovator in Water Detection and Carbon Nanotube Technology

Introduction

Hisashi Kajiura is a prominent inventor based in Kanagawa, Japan, recognized for his groundbreaking work and contributions to technology. With a total of 16 patents to his name, Kajiura has made significant strides particularly in the areas of water quality detection and carbon nanotube treatment.

Latest Patents

Kajiura's latest innovations include a method and device for detecting heavy metal ions in water. This patented technology employs a unique detection material featuring a hydrophilic layer partially covered by a hydrophobic layer composed of long-chain compounds. The method emphasizes testing the water sample by observing changes in hydrophobicity which indicate the presence of heavy metal ions.

Another noteworthy patent involves a novel method for treating carbon nanotubes. This cost-effective approach focuses on dispersing carbon nanotubes in a medium, allowing type-specific nanotubes to be selectively absorbed onto a chemically modified adsorbent. This breakthrough technique not only enhances the purification process but also leads to the production of high-quality carbon nanotubes and related devices.

Career Highlights

Hisashi Kajiura is associated with Sony Corporation, where his innovative mindset has led to the development of several valuable technologies. His work showcases his dedication to advancing scientific knowledge and practical applications in the field of environmental detection and materials science.

Collaborations

Throughout his career, Kajiura has collaborated with notable colleagues including Masashi Shiraishi and Masafumi Ata. These partnerships have fostered an environment of creativity and innovation, resulting in impactful advancements in their respective fields.

Conclusion

Hisashi Kajiura stands out as a visionary inventor, contributing to significant innovations that address critical issues such as water safety and the efficiency of carbon nanotube utilization. His continuing work promises to yield further advancements in technology and environmental protection.

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