For the Inventor, By the Inventor

Enter inventor name

Yokohama, Japan

Tsutomu Kakitani

This inventor holds 11 USPTO granted patents. Top assignee: Toshiba Lighting & Technology Corporation. Active years: 1991-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Kakitani. Retrieved from https://idiyas.com/inventor/tsutomu-kakitani

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

USPTO Granted Patents = 11

% Patents Active = 90.9

Average Co-Inventor Count = 1.6

ph-index = 7

Forward Citations = 155(Granted Patents)

Location History:

Tokyo, JP (1992)
Yokosuka, JP (1998)
Yokohama, JP (1991 - 2002)

Company Filing History:

Toshiba Lighting & Technology Corporation

Years Active: 1991-2002

Loading Chart...

11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6414447 - Discharge lamp lighting device and illuminating device (2002-07-02),

2. 6177768 - Discharge lamp lighting device and illumination device (2001-01-23),

3. 5777861 - Power supply apparatus having high power-factor and low (1998-07-07),

4. 5737207 - Power supply (1998-04-07),

5. 5175474 - Power source for lighting apparatus (1992-12-29),

6. 5140224 - Apparatus for operating discharge lamp (1992-08-18),

7. 5130610 - Discharge lamp lighting apparatus (1992-07-14),

8. 5097181 - Discharge lamp lighting device having level shift control function (1992-03-17),

9. 5084652 - Fluorescent lamp lighting apparatus (1992-01-28),

10. 5073745 - Inverter circuit for stable illumination of discharge lamp (1991-12-17),

11. 5039921 - Discharge lamp lighting apparatus for driving discharge lamp according (1991-08-13),

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…