KK

Kiyoshi Kawamura

Yamaha: 38 patents #17 of 2,001Top 1%
Pfizer: 11 patents #437 of 5,153Top 9%
RP Raqualia Pharma: 10 patents #4 of 69Top 6%
KC Kowa Company: 9 patents #54 of 562Top 10%
NC Nippon Shokubai Co.: 5 patents #248 of 1,108Top 25%
NC Nippon Shokubai Kagaku Kogyo Co.: 3 patents #82 of 341Top 25%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
NC Nippon Soda Co.: 3 patents #145 of 648Top 25%
MM Mitsubishi Motors: 2 patents #508 of 1,823Top 30%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
WC Warner-Lambert Company: 1 patents #930 of 1,610Top 60%
XC Xuanzhu Pharma Co.: 1 patents #14 of 24Top 60%
JI Japan Nuclear Cycle Development Institute: 1 patents #36 of 122Top 30%
📍 Ebeye: #10 of 4,528 inventorsTop 1%
Overall (All Time): #19,661 of 4,157,543Top 1%
86
Patents All Time

Issued Patents All Time

Showing 76–86 of 86 patents

Patent #TitleCo-InventorsDate
5192820 Musical instrument keyboard striking force sensor Shigeru Muramatsu 1993-03-09
4994520 Carbon black-graft polymer, method for production thereof, and use thereof Yoshikuni Mori, Mitsuo Kushino, Hayato Ideda, Nobuaki Urashima, Masuji Izubayashi +4 more 1991-02-19
4940749 Carbon black-graft polymer, method for production thereof, and use thereof Yoshikuni Mori, Mitsuo Kushino, Hayato Ikeda, Nobuaki Urashima, Masuji Izubayashi +4 more 1990-07-10
4880857 Carbon black-graft polymer, method for production thereof, and use thereof Yoshikuni Mori, Mitsuo Kushino, Hayato Ikeda, Nobuaki Urashima, Masuji Izubayashi +4 more 1989-11-14
4727085 Racemates of 3,4-dihydro-8-(2'-hydroxy-3'-isopropylamino)propoxy-3-nitroxy-2H-1-benzo pyran, process for converting them and pharmaceutical compositions thereof Masami Shiratsuchi, Toshihiro Akashi, Hiroshi Ishihama, Yasumi Uchida 1988-02-23
4678803 Optical isomers, processes for production thereof and pharmaceutical composition thereof Masami Shiratsuchi, Toshihiro Akashi, Hiroshi Ishihama, Yasumi Uchida 1987-07-07
4482562 Aromatic aminoethanol compounds, and utilization thereof as cardiovascular agents Masami Shiratsuchi, Noboru Shimizu, Hiromichi Shigyo, Yoshinori Kyotani, Hisashi Kunieda +5 more 1984-11-13
4394382 Dihydrobenzopyran compounds and pharmaceutical composition comprising said compounds Masami Shiratsuchi, Noboru Shimizu, Hiromichi Shigyo, Yoshinori Kyotani, Hisashi Kunieda +5 more 1983-07-19
4374840 Certain phenyl or pyridyl-propanol-amines containing alkyl-nitrate moieties Masami Shiratsuchi, Noboru Shimizu, Hiromichi Shigyo, Yoshinori Kyotani, Hisashi Kunieda +5 more 1983-02-22
4290954 Tetrahydroxanthone derivatives Kazuhiro Onogi, Hisashi Kunieda, Masami Shiratsuchi, Masahiko Nagakura, Naoki Machida, deceased +1 more 1981-09-22
4216225 Methylmethioninesulfonium compounds, process for their preparation, and pharmaceutical compositions containing them Masami Shiratsuchi, Hisashi Kunieda, Naoki Machida, deceased, Toshihiro Akashi, Masahiko Nagakura 1980-08-05