TO

Takayuki Oka

SC Sekisui Medical Co.: 10 patents #8 of 206Top 4%
MC Mitsubishi Shindoh Co.: 3 patents #18 of 65Top 30%
NC Noritsu Koki Co.: 3 patents #65 of 289Top 25%
SC Sekisui Chemical Co.: 2 patents #358 of 908Top 40%
AR Arkray: 1 patents #203 of 354Top 60%
SK Sekisui Kagaku Kogyo: 1 patents #148 of 395Top 40%
MM Mitsubishi Materials: 1 patents #812 of 1,543Top 55%
Overall (All Time): #220,718 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
11434548 Free-cutting copper alloy and method for producing free-cutting copper alloy Keiichiro Oishi, Kouichi Suzaki, Shinji Tanaka 2022-09-06
10557185 Free-cutting copper alloy, and method for producing free-cutting copper alloy Keiichiro Oishi, Kouichi Suzaki, Shinji Tanaka 2020-02-11
10538828 Free-cutting copper alloy, and method for producing free-cutting copper alloy Keiichiro Oishi, Kouichi Suzaki, Shinji Tanaka 2020-01-21
9970908 Gradient liquid feed device for sample analyzer Takuya Yotani, Hiroaki Taira, Hideki Muraki 2018-05-15
9841406 Switching valve for flow type analysis apparatus Takuya Yotani, Hiroaki Taira, Hideki Muraki 2017-12-12
9810604 Sample injection device for flow-type analysis device, flow-type analysis device, and measurement method for hemoglobin component Takuya Yotani, Hideki Muraki 2017-11-07
9778232 Column device for liquid chromatography and liquid chromatography apparatus Takuya Yotani, Hideki Muraki 2017-10-03
9714886 Sample injection device for biochemical analysis, flow-type biochemical analysis device, and measurement method for hemoglobin component Takuya Yotani, Hideki Muraki 2017-07-25
9310342 Liquid chromatography apparatus and liquid chromatography Toshikatsu Sakai, Akira Sezaki, Takeshi Takagi, Takuya Yotani, Makoto Takahara 2016-04-12
9304139 Method of analyzing hemoglobins Hiroaki Taira 2016-04-05
D734484 Liquid chromatograph Masato Nishikawa, Takuya Yotani 2015-07-14
9017491 Hot-forged copper alloy part Keiichiro Oishi, Shin Oikawa 2015-04-28
D719670 Liquid chromatograph Masato Nishikawa, Takuya Yotani 2014-12-16
D719671 Liquid chromatograph Masato Nishikawa, Takuya Yotani 2014-12-16
7632688 Particle having magnetic material incorporated therein, process for producing the same, particle for immunoassay and method of immunoassay Izumi Omoto, Haruma Kawaguchi, Wataru Wakui 2009-12-15
6428704 Method for determination of hemoglobins Yuji Setoguchi, Kazuyuki Oishi, Kazuhiko Shimada, Toshiki KAWABE 2002-08-06
5886122 Process for preparing solvent-type acrylic pressure-sensitive adhesives and medical pressure-sensitive adhesive Kenji Tsubota, Takashi Shinjo, Takeshi Nakachi, Mitsue Matsumoto, Motoi Nagano 1999-03-23
5786909 Photographic printing apparatus with exposure position rectifying and method thereof Hiroshi Miyawaki, Mitsuhiko Itojima, Hiroto Nakao, Hisahiro Maeda, Masaaki Tsuji +1 more 1998-07-28
5502540 Printing/developing apparatus Hiroshi Miyawaki, Masaaki Tsuji 1996-03-26
5500712 Method and equipment for printing 3-D stereograph Hiroshi Miyawaki, Mitsuhiko Itojima, Kazuyoshi Yamamoto, Toshiro Akira, Masaaki Tsuji 1996-03-19