MK

Masayuki Kitagawa

NK Nippon Kayaku: 14 patents #11 of 1,103Top 1%
MC Mitsumi Electric Co.: 7 patents #122 of 935Top 15%
Rohm Co.: 2 patents #1,039 of 2,292Top 50%
DC Daiichi Seiyaku Co.: 1 patents #38 of 111Top 35%
NE Nec: 1 patents #7,889 of 14,502Top 55%
📍 Tokyo, CA: #265 of 583 inventorsTop 50%
Overall (All Time): #155,069 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
9806824 Wireless power supply receiver-transmitter device, wireless power supply receiver and wireless power supply transmitter Ken Nakahara 2017-10-31
RE46190 High-molecular weight conjugate of steroids Toshitaka Murata 2016-11-01
9346923 Method for manufacturing block copolymer Keiichirou Yamamoto 2016-05-24
9036675 Communication module and portable electronic device Akira Obika 2015-05-19
8940332 High-molecular weight conjugate of podophyllotoxins Keizou Ishikawa, Keiichirou Yamamoto, Kazutoshi Takashio, Masao Shibata 2015-01-27
8920788 High-molecular weight conjugate of physiologically active substances Chieko Seno 2014-12-30
8808749 Polymer conjugate of bioactive substance having hydroxy group Chieko Seno, Keiko Ebara, Kazutoshi Takashio 2014-08-19
8703878 High-molecular weight conjugate of steroids Toshitaka Murata 2014-04-22
8323669 Polymer conjugate of taxane Keizou Ishikawa, Takeshi Onda 2012-12-04
7495099 High-molecular weight derivatives of camptothecins Kazuya Okamoto 2009-02-24
6862258 Recordable optical drive automatically changing a writing speed in accordance with an interface data transfer speed 2005-03-01
6820166 System for associating a function to an entity capable of communicating data across an interface 2004-11-16
6708231 Method and system for performing a peripheral firmware update 2004-03-16
6618216 Digital tape drive 2003-09-09
6603676 Method of managing optical disk drive parameters 2003-08-05
6496406 Systems for managing optical disk drive parameters 2002-12-17
6357021 Method and apparatus for updating firmware Koji Tsuboi, Masanori Matsunaga 2002-03-12
6078541 Device controller having volatile and non-volatile memory for storage of decompressed and compressed data Koji Tsuboi 2000-06-20
5505944 Physiologically active substance NK175203, process for production thereof and pharmaceutical use thereof Tomio Morino, Ayako Nakatani, Masaya Sato, Takashi Harada, Seiichi Saito 1996-04-09
5450251 Sector relocation system in a magnetic disc apparatus 1995-09-12
5283331 2-halogeno-oxetanocin A and phosphoric ester thereof Seiichi Saito, Akira Masuda, Nobuyoshi Shimada, Jun-ichi Seki, Hiroo Hoshino +1 more 1994-02-01
5179084 Antiviral phosphoric acid esters of oxetanocins Seiichi Saito, Shigeru Hasegawa, Nobuyoshi Shimada, Katsutoshi Takahashi, Jun-ichi Seki +4 more 1993-01-12
5164500 Oxetanocin G Seiichi Saito, Shigeru Hasegawa, Nobuyoshi Shimada 1992-11-17
5028598 Oxetanocin derivatives and their salts as well as use thereof Katsuhiko Kurabayashi, Junichi Seki, Haruo Machida, Hiroshi Yoshikawa, Hiroo Hoshino +1 more 1991-07-02
4992368 Novel process for producing oxetanocin G Seiichi Saito, Shigeru Hasegawa, Nobuyoshi Shimada, Noriyuki Yamashita 1991-02-12