HO

Hisakazu Okajima

NI Ngk Insulators: 14 patents #225 of 2,083Top 15%
Overall (All Time): #353,834 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
8294069 Heating device for heating a wafer Yoshinobu Goto 2012-10-23
7544916 Heating device Yoshinobu Goto 2009-06-09
7279661 Heating apparatus Yutaka Unno, Keiji Kawasaki 2007-10-09
7274006 Heater Yoshinobu Goto 2007-09-25
7247817 Ceramic heater having a resistance heater element 2007-07-24
7173219 Ceramic heaters Mitsuru Ohta 2007-02-06
6875960 Heating system Shinji Yamaguchi, Yoshinobu Goto, Yutaka Unno 2005-04-05
5446381 Optical voltage electric field sensor Masanobu Yamamoto 1995-08-29
5382901 Optical magnetic field sensor capable of precise measurement without temperature induced errors Masaki Noda 1995-01-17
5355084 Optical magnetic-field sensor having spherical lenses for light collimation Yuji Asai 1994-10-11
5202629 Optical magnetic-field sensor having an integrally bonded magnetooptical element, polarizer, analyzer and substrate Shoji Seike, Masanobu Yamamoto 1993-04-13
5187762 Optical ferrule Masami Matsuura 1993-02-16
5136680 Optical fiber built-in type composite insulator and method for producing the same Shoji Seike, Koichi Mori, Mitsuji Ikeda, Masayuki Nozaki, Hiroyuki Katsukawa +2 more 1992-08-04
5069525 Optical fiber built-in type composite insulator and method of producing the same Shoji Seike, Koichi Mori, Mitsuji Ikeda, Masayuki Nozaki, Hiroyuki Katsukawa +2 more 1991-12-03