HK

Hiroshi Koga

CP Chugai Pharmaceutical: 13 patents #27 of 1,238Top 3%
Canon: 11 patents #5,840 of 19,416Top 35%
ZE Zeon: 4 patents #174 of 734Top 25%
SH Shiroki: 3 patents #35 of 172Top 25%
KK Kyorin Seiyaku Kabushiki Kaisha: 2 patents #4 of 32Top 15%
NE Nec: 2 patents #5,510 of 14,502Top 40%
YE Yaskawa Electric: 2 patents #368 of 1,006Top 40%
TI Toyota Industries: 1 patents #505 of 955Top 55%
KC Kyorin Pharmaceutical Co.: 1 patents #140 of 270Top 55%
SU Shinshu University: 1 patents #77 of 261Top 30%
TC Taiho Kogyo Co.: 1 patents #179 of 332Top 55%
WU Waseda University: 1 patents #116 of 411Top 30%
AZ Azbil: 1 patents #130 of 257Top 55%
Overall (All Time): #71,723 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
5977167 Benzopyran and benzoxazine derivatives Haruhiko Sato, Takenori Ishizawa, Hiroyuki Nabata 1999-11-02
5878194 Method and device for outputting multicolor document 1999-03-02
5874446 Benzopyran derivatives Haruhiko Sato, Takenori Ishizawa, Hiroyuki Nabata 1999-02-23
5658888 Erythromycin derivatives Tsutomu Sato, Hisanori Takanashi 1997-08-19
5646308 Benzopyran derivatives Hiroyuki Nabata 1997-07-08
5646310 N-(2-cyanoethyl)-6-fluoroalkyl-2h-1-benzopyran derivatives Haruhiko Sato, Takenori Ishizawa 1997-07-08
5614633 Benzopyran derivatives Haruhiko Sato, Takenori Ishizawa, Hiroyuki Nabata 1997-03-25
5412117 Benzopyran derivatives Hiroyuki Nabata 1995-05-02
5166638 Differential amplifier having output stage quickly brought into inactive condition by a control signal 1992-11-24
4816479 Xanthone derivatives and process for producing the same Takashi Mori, Takashi Dan, Michitaka Akima 1989-03-28
4791209 Furobenzisoxazole derivatives Haruhiko Sato, Takashi Dan, Etsuro Onuma 1988-12-13
4732906 Dioxolobenzizoxazole derivatives Takashi Dan, Haruhiko Sato, Etsuro Onuma 1988-03-22
4661607 Furoxanthone derivatives useful as diuretics Takashi Mori, Takashi Dan, Michitaka Akima 1987-04-28
4641570 Swash plate type compressor having a center cavity in surface of piston shoe Kenichiro Futamura, Keiichiro Ohtsu, Tatsuhiko Fukuoka, Kenji Takenaka, Yoshio Itakura 1987-02-10
4448962 Substituted quinoline carboxylic acid derivatives Tsutomu Irikura, Seigo Suzue, Akira Ito 1984-05-15
4429127 Quinoline carboxylic acid derivative Tsutomu Irikura, Akira Ito 1984-01-31
4398029 Quinoline carboxylic acid derivatives and process for the preparation Tsutomu Irikura, Satoshi Murayama 1983-08-09