HI

Hiroyuki Iechi

Ricoh Company: 9 patents #2,462 of 9,818Top 30%
Overall (All Time): #583,942 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7420204 Organic transistor Yoshikazu Akiyama, Hiroshi Kondoh, Takanori Tano 2008-09-02
7276728 Vertical organic transistor Kazuhiro Kudoh 2007-10-02
7126153 Organic transistor Yoshikazu Akiyama, Hiroshi Kondoh, Takanori Tano 2006-10-24
7002176 Vertical organic transistor Kazuhiro Kudoh 2006-02-21
5900336 Negative electrode for lithium secondary battery and lithium secondary battery using the negative electrode Toshiyuki Kabata, Yoshiko Kurosawa, Toshiyuki Ohsawa, Nobuo Katagiri, Okitoshi Kimura +4 more 1999-05-04
5684523 Optical line printhead and an LED chip used therefor Shunichi Satoh, Takashi Takahashi, Tomoaki Yoshida, Chizuru Yoshida, legal representative, Hirokazu Iwata +1 more 1997-11-04
5362673 Method of manufacturing a semiconductor light emitting device 1994-11-08
5294815 Semiconductor light emitting device with terraced structure 1994-03-15
5061974 Semiconductor light-emitting device of array type Noriaki Onodera, Saburo Saski 1991-10-29