KH

Kazumasa Hara

JC Janome Sewing Machine Co.: 29 patents #7 of 229Top 4%
JC Janome Sewing Machine Industry Co.: 3 patents #8 of 34Top 25%
📍 Tama, JP: #12 of 402 inventorsTop 3%
Overall (All Time): #114,479 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDate
5775240 Sewing machine capable of embroidery stitching, and embroidery data producing device therefor Hidechika Kuramoto, Mikio Koike, Haruhiko Tanaka, Akiyoshi Sasano, Shinichi Fukada 1998-07-07
5022335 Upper thread supplying device in sewing machine Susumu Hanyu, Noboru Kasuga, Mikio Koike, Mitsuru Nishijima, Akiyoshi Sasano 1991-06-11
5003896 Device for guiding a lower thread in a sewing machine Yasuro Sano, Mikio Koike, Mitsuru Nishijima 1991-04-02
4998491 Method of automatically controlling upper thread tension in a sewing machine Susumu Hanyu, Noboru Kasuga, Shuzo Morimoto 1991-03-12
4967679 Automatic thread tension control sewing machine Mikio Koike, Mitsuru Nishijima 1990-11-06
4960062 Sewing machine automatic thread tension device with thread elongation detector Susumu Hanyu, Noboru Kasuga, Mikio Koike, Mitsuru Ninijima 1990-10-02
4949657 Sewing machine with a device for amending thread tightening by needle positions Susumu Hanyu, Noboru Kasuga, Mikio Koike 1990-08-21
4926770 Needle hole guide mechanism for zigzag sewing machine Susumu Hanyu, Yasuro Sano 1990-05-22
4920903 Device for adjusting a lower thread in a sewing machine Mikio Koike, Mitsuru Nishijima, Koji Okutani 1990-05-01
4892048 Automatic thread tightening device for a sewing machine Noboru Karuga, Mikio Koike, Mitsuru Nishijima 1990-01-09
4793273 Automatic thread tension device for a sewing machine Akiyoshi Sasano, Mikio Koike 1988-12-27
4724784 Device for changing a lower thread running path for a zigzag sewing machine Mikio Koike, Mituru Nishijima 1988-02-16
4704975 Upper and lower thread tension devices for sewing machine Akiyoshi Sasano, Mikio Koike 1987-11-10
4702185 Sewing machine with an automatic thread tension device Susumu Hanyu, Noburu Kasuga, Mikio Koike 1987-10-27
4700644 Sewing machine having an automatic lower thread tension device Yasukata Eguchi, Susumu Hanyu, Mikio Koike 1987-10-20
4693193 Device of guiding drawing-out of a lower thread from a horizontal bobbin carrier of a sewing machine Susumu Hanyu, Akiyoshi Sasano, Mikio Koike 1987-09-15
4690082 Device for regulating upper thread tension of a sewing machine Yasukata Eguchi, Michio Hisatake 1987-09-01
4690083 Automatic upper thread tension control for a sewing machine Mikio Koike, Akiyoshi Sasano 1987-09-01
4662292 Thread loop taker device of a zigzag sewing machine Mikio Koike, Kenzo Goto 1987-05-05
4638751 Sewing machine with a device for setting thread tension Susumu Hanyu, Akiyoshi Sasano, Mikio Koike 1987-01-27
4606289 Sewing thread cutting device Masashi Sato, Mikio Koike, Kenji Kaneko 1986-08-19
4579615 Method and a device for connecting threads of a sewing machine Susumu Hanyu, Reishi Nomoto 1986-04-01
4565143 Method of automatically adjusting thread tension in a sewing machine Susumu Hanyu, Kenji Kato 1986-01-21
4542706 Lower thread tension adjusting device of sewing machine Susumu Hanyu, Mikio Koike 1985-09-24
4473019 Hem stitch presser foot Susumu Hanyu, Akio Koide, Mikio Koike 1984-09-25