TH

Toshio Hirai

UN Unknown: 23 patents #164 of 83,584Top 1%
AC Alps Electric Co.: 5 patents #368 of 2,177Top 20%
RJ Research Development Corporation Of Japan: 4 patents #27 of 402Top 7%
KS Kobe Steel: 4 patents #359 of 1,773Top 25%
FA Fanuc: 3 patents #813 of 1,735Top 50%
FC Furukawa Electric Co.: 3 patents #622 of 2,370Top 30%
RI Riken: 2 patents #375 of 1,824Top 25%
NO Nippon Oil: 2 patents #264 of 773Top 35%
SC Sumitomo Metal Mining Co.: 2 patents #253 of 736Top 35%
JC Japan Metals & Chemicals Co.: 2 patents #15 of 152Top 10%
TC Toho Gas Co.: 1 patents #14 of 69Top 25%
DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%
AR Arcadia: 1 patents #4 of 11Top 40%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HZ Hitachi Zosen: 1 patents #216 of 531Top 45%
IS Isekikaihatsukohki: 1 patents #17 of 37Top 50%
NI Ngk Insulators: 1 patents #1,271 of 2,083Top 65%
RF Research Development Foundation: 1 patents #152 of 362Top 45%
SC Sumitomo Coal Mining Co.: 1 patents #5 of 13Top 40%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #76,448 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 25 most recent of 41 patents

Patent #TitleCo-InventorsDate
10677235 Compression device having connection unit for cooling unit Kenji Nagura, Hitoshi Takagi, Takuro UBA 2020-06-09
10535130 Life determination device, life determination method, and recording medium for cutting tool Yasushi OKAJIMA 2020-01-14
9777726 Compressor with valve pressing portions for sealing Kenji Nagura, Hitoshi Takagi 2017-10-03
9605671 Reciprocating compressor Kenji Nagura, Hitoshi Takagi 2017-03-28
9328970 Compressing device Kenji Nagura, Hitoshi Takagi, Takuro UBA 2016-05-03
6975987 Device and method for synthesizing speech Seiichi Tenpaku 2005-12-13
6891140 Sintering furnace, method of manufacturing sintered objects, and sintered objects Motoyasu Sato, Sadatsugu Takayama, Masatoshi Mizuno, Seizo Obata, Tadashi Shimada 2005-05-10
6592798 Method for preparing eutectic ceramics Mamoru Omori, Masao Tokita 2003-07-15
6542876 Method for producing multilayered optical filters using a genetic algorithm and a method for operating the genetic algorithm Toshihiro Kikuchi, Yoshihiro Someno, Yoshiyuki Kawazoe, Hiroshi Mizuseki 2003-04-01
6149346 Method for replacement of existing pipes and device for carrying out the method Nobuhisa Takamatsu, Takayuki Kurobe, Toshio Akesaka 2000-11-21
6115180 Optical multilayered-film filter Hiroshi Masumoto, Xinrong Wang, Yoshihiro Someno 2000-09-05
5586140 Plasma melting method and plasma melting furnace Michio Ishida, Tsutomu Kuwahara, Hideo Sato, Yoshitoshi Sekiguchi, Kunio Sasaki +2 more 1996-12-17
5439853 Mixed oxide composite ceramics and method of producing the same Mamoru Omori 1995-08-08
5429998 Crystalline sialon having wurtzite structure Yoshihiro Someno, Makoto Sasaki 1995-07-04
5384293 Rare earth oxide-alumina-silica sintered body and method of producing the same Mamoru Omori 1995-01-24
5340959 EDM with an electrode moved by deformation of an electrode actuator Kiyoshi Sawada 1994-08-23
5211031 Scroll type compressor and refrigeration cycle using the same Akira Murayama, Tadashi Fukuishi, Sigeaki Kuroda, Toshiaki Koyama, Tadao Ochiai +4 more 1993-05-18
5187342 Wire cut electric discharge machine Toshiyuki Aso 1993-02-16
5173459 Si.sub.3 N.sub.4 -A1.sub.2 O.sub.3 composite sintered bodies and method of producing the same Koichi Niihara, Atsushi Nakahira 1992-12-22
5164221 Forming die manufacturing method Yoshihiro Someno, Makoto Sasaki 1992-11-17
5145720 Chemical vapor deposition of dense and transparent zirconia films Hisanori Yamane 1992-09-08
5093150 Synthesis method by plasma chemical vapor deposition Yoshihiro Someno, Makoto Sasaki 1992-03-03
5093156 Process for preparing carbon material Seiichi Uemura, Yoshio Sohda, Yasuji Ido, Yukinori Kude, Takefumi Kohno +2 more 1992-03-03
5045356 Process for producing carbon/carbon composite having oxidation resistance Seiichi Uemura, Yoshio Sohda, Yasuji Ido, Makoto Sasaki, Masayuki Niino 1991-09-03
4985117 Method of manufacturing josephson junctions Hideyuki Kurosawa, Hisanori Yamane, Tsutomu Yamashita 1991-01-15