HF

Hitoshi Fujiwara

Ricoh Company: 32 patents #573 of 9,818Top 6%
Kawasaki: 9 patents #199 of 2,943Top 7%
JA Japan Aerospace Exploration Agency: 9 patents #4 of 546Top 1%
F& F&F: 7 patents #1 of 4Top 25%
SS Suwa Seikosha: 3 patents #32 of 220Top 15%
EP Epson: 3 patents #6 of 66Top 10%
SI Seiko Instruments: 2 patents #605 of 1,437Top 45%
MC Mabuchi Motor Co.: 2 patents #62 of 228Top 30%
Brother Kogyo: 1 patents #2,155 of 2,767Top 80%
SS Sii P & S: 1 patents #8 of 14Top 60%
CC C.Uyemura & Co.: 1 patents #85 of 180Top 50%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
HA Hakko: 1 patents #35 of 70Top 50%
IS Ist: 1 patents #20 of 49Top 45%
MC M.I.T. International Co.: 1 patents #3 of 3Top 100%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
SK Shinshu Seiki Kabushiki Kaisha: 1 patents #14 of 38Top 40%
📍 Tokyo, CA: #135 of 583 inventorsTop 25%
Overall (All Time): #34,471 of 4,157,543Top 1%
64
Patents All Time

Issued Patents All Time

Showing 51–64 of 64 patents

Patent #TitleCo-InventorsDate
6511237 Printer assembly and printer 2003-01-28
6382851 Printer 2002-05-07
6270271 Printer for portable information processor 2001-08-07
D439821 Board holder 2001-04-03
6121990 Printing apparatus and cartridge 2000-09-19
5433913 Method of manufacturing a heat-resistant resinous tube Satsuki Kawauchi, Yoji Tani 1995-07-18
4853568 Miniature motor 1989-08-01
4827167 Miniature motor Etuo Mayumi, Kunio Hiromasa, Kazuo Okada 1989-05-02
4823033 Miniature motor having coated rubber permanent magnet Shotaro Hayakawa, Takanobu Lee 1989-04-18
4617563 Liquid crystal display device Yoshikiyo Futagawa 1986-10-14
4553865 Ink-supplied wire dot printer Yoshito Ikeda, Yoshifumi Gomi, Masanao Matsuzawa, Yasuhito Hirashima 1985-11-19
4433925 Manually-operated dot printer for pocket sized calculators Masanao Matsuzawa 1984-02-28
4427314 Speed controlled printer Kozo Kodaira 1984-01-24
4328747 Character ring-selecting type printer Yousei Kawabata 1982-05-11