TM

Takeshi Matsumura

ND Nitto Denko: 51 patents #19 of 2,479Top 1%
TO Toyota: 41 patents #286 of 26,838Top 2%
PA Panasonic: 31 patents #493 of 21,108Top 3%
HM Hitachi Medical: 21 patents #18 of 680Top 3%
Canon: 20 patents #3,238 of 19,416Top 20%
Sumitomo Electric Industries: 16 patents #1,466 of 21,551Top 7%
Ericsson: 14 patents #902 of 9,909Top 10%
HC Hitachi Industrial Equipment Systems Co.: 8 patents #53 of 550Top 10%
JT Japan Tobacco: 5 patents #108 of 1,187Top 10%
HC Hokusan Co.: 4 patents #2 of 26Top 8%
NU National University Corporation Hokkaido University: 3 patents #83 of 825Top 15%
FC Fuji Photo Optical Co.: 3 patents #177 of 509Top 35%
YA Yazaki: 3 patents #1,239 of 3,427Top 40%
KU Kyoto University: 3 patents #177 of 1,688Top 15%
AI Aisin: 2 patents #158 of 1,000Top 20%
SO Sony: 2 patents #12,963 of 25,231Top 55%
SI School Juridical Person The Kitasato Institute: 1 patents #17 of 57Top 30%
BL Bridgestone Tire Company Limited: 1 patents #196 of 438Top 45%
IC Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
SC Screen Holdings Co.: 1 patents #452 of 686Top 70%
📍 Numazu, MO: #1 of 1 inventorsTop 100%
Overall (All Time): #2,469 of 4,157,543Top 1%
229
Patents All Time

Issued Patents All Time

Showing 201–225 of 229 patents

Patent #TitleCo-InventorsDate
D415294 Self-ballasted compact fluorescent lamps Masayoshi Kato, Shiro Iida 1999-10-12
D414883 Self-ballasted compact fluorescent lamps Masayoshi Kato, Shiro Iida 1999-10-05
D414569 Self-ballasted compact fluorescent lamps Masayoshi Kato, Shiro Iida 1999-09-28
D414282 Self-ballasted compact fluorescent lamps Masayoshi Kato, Shiro Iida 1999-09-21
D412758 Self-ballasted compact fluorescent lamps Masayoshi Kato, Shiro Iida 1999-08-10
D412212 Self-ballasted compact fluorescent lamps Masayoshi Kato, Shiro Iida 1999-07-20
D411890 Self-ballasted compact fluorescent lamps Masayoshi Kato, Shiro Iida 1999-07-06
5844357 Light-bulb-shaped fluorescent lamp Shiro Iida, Kenji Nakano, Kenji Itaya 1998-12-01
D400988 Fluorescent lamp Shiro Iida 1998-11-10
D383224 Fluorescent lamp Masashi Sangen 1997-09-02
D379673 Fluorescent lamp Masashi Sangen 1997-06-03
D377690 Fluorescent lamp Masashi Sangen 1997-01-28
D376858 Fluorescent lamp Masashi Sangen 1996-12-24
5583633 Device for detecting a defect in charcoal type filters of manufactured filter cigarettes Hidenori Muramoto, Mikio Komori 1996-12-10
5503166 Dilution monitoring system for filter cigarettes Fumio Kubo, Mikio Komori, Takehiro Suzuki 1996-04-02
D365885 Fluorescent lamp Masashi Sangen, Naoyuki Nakamura 1996-01-02
D356874 Fluorescent lamp Masashi Sangen, Shiro Iida 1995-03-28
D355495 Fluorescent lamp Shiro Iida 1995-02-14
D354145 Fluorescent lamp Shiro Iida 1995-01-03
D353901 Fluorescent lamp Masashi Sangen, Shiro Iida 1994-12-27
D353902 Fluorescent lamp Masashi Sangen, Shiro Iida 1994-12-27
D353900 Fluorescent lamp Masashi Sangen, Shiro Iida 1994-12-27
5367144 Air permeability detecting method and apparatus for the same Mikio Komori 1994-11-22
D346456 Self-ballasted compact fluorescent lamp Tsunetaka Araki 1994-04-26
5059004 Eyepiece system 1991-10-22