MS

Masanori Shimizu

Sumitomo Electric Industries: 43 patents #229 of 21,551Top 2%
PA Panasonic: 7 patents #3,841 of 21,108Top 20%
ON onsemi: 3 patents #531 of 1,901Top 30%
TC Takeuchi Mfg., Co.: 2 patents #11 of 36Top 35%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
PC Polymatech Co.: 1 patents #43 of 84Top 55%
CA Cataler: 1 patents #176 of 277Top 65%
Overall (All Time): #40,162 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 51–59 of 59 patents

Patent #TitleCo-InventorsDate
6504305 Fluorescent lamp Kazuaki Ohkubo, Yoshinori Tanabe, Takeshi Arakawa 2003-01-07
6445118 Lamp having conductor structure and non-conductor structure provided between filaments Kazuaki Ohkubo, Takeshi Arakawa, Yoshinori Tanabe, Kenjiro Hashimoto, Yoko Shimomura 2002-09-03
6414426 High-efficiency light source Izumi Akashi, Shoetsu Sakamoto 2002-07-02
6313754 Escape light instrument Yoko Shimomura, Yoshinori Tanabe 2001-11-06
6242857 High efficiency fluorescent lamp with low color rendering property Kenjiro Hashimoto, Tadashi Yano, Syouetsu Sakamoto 2001-06-05
6224240 Light source Yasuhiko Yamanaka, Syouetsu Sakamoto, Tetsuji Takeuchi 2001-05-01
6153971 Light source with only two major light emitting bands Yasuhiko Yamanaka, Syouetsu Sakamoto, Tetsuji Takeuchi 2000-11-28
D421616 Agitator 2000-03-14
5403261 Illumination equipment Syouetu Sakamoto 1995-04-04