JI

Jun Ichihara

Rohm Co.: 9 patents #331 of 2,292Top 15%
AZ Azbil: 2 patents #80 of 257Top 35%
Overall (All Time): #407,838 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11768120 Diaphragm vacuum gauge with decreased parasitic capacitance Yasuhide Yoshikawa, Keisuke Obara, Kimihiro Sato 2023-09-26
11740151 Adjustable self-heating diaphragm vacuum gauge Yasuhide Yoshikawa, Keisuke Obara, Kimihiro Sato 2023-08-29
10663701 Aspherical cemented lens 2020-05-26
7492025 Photo coupler Tomohiro Yamazaki 2009-02-17
7376312 Optical module and method for manufacturing the same Shuichi Nawae 2008-05-20
6856635 Surface light emitting type semiconductor laser having a vertical cavity Hironobu Sai 2005-02-15
6775310 Semiconductor light emitting device and manufacturing method thereof Hironobu Sai 2004-08-10
6711198 Light source device for laser beam printer Hisayoshi Kitajima, Tetsuhiro Tanabe, Ken Nakahara, Haruo Tanaka 2004-03-23
6353491 Optical communication module Haruo Tanaka 2002-03-05
6247851 Optical connector employing an optical fiber connector plug 2001-06-19
6083841 Method of etching gallium-nitride based compound semiconductor layer and method of manufacturing semiconductor light emitting device utilizing the same Hirohisa Yano 2000-07-04
5814532 Method of manufacturing semiconductor laser 1998-09-29