Hiroyuki Iechi

Ricoh Company: 2 patents #69 of 604Top 15%

RC Ricoh Research Institute Of General Electronics Co.: 2 patents #1 of 9Top 15%

Overall (1994): #32,110 of 165,921Top 20%

Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5362673	Method of manufacturing a semiconductor light emitting device	—	1994-11-08
5294815	Semiconductor light emitting device with terraced structure	—	1994-03-15