HK

Hiroshi Koizumi

KT Kabushiki Kaisha Toshiba: 21 patents #1,382 of 21,451Top 7%
TL Tokyo Electron Limited: 19 patents #307 of 5,567Top 6%
TO Topcon: 15 patents #44 of 684Top 7%
SO Sony: 13 patents #3,381 of 25,231Top 15%
NT NTT: 13 patents #292 of 4,871Top 6%
HI Hitachi: 8 patents #5,191 of 28,497Top 20%
FI Fujikin Incorporated: 5 patents #85 of 318Top 30%
MC Mitutoyo Mfg. Co.: 5 patents #7 of 118Top 6%
Canon: 4 patents #10,118 of 19,416Top 55%
UN Unknown: 4 patents #4,220 of 83,584Top 6%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
MI Mitutoyo: 3 patents #276 of 721Top 40%
NC Nissei Plastic Industrial Co.: 2 patents #80 of 189Top 45%
NE Ntt Electronics: 2 patents #99 of 358Top 30%
FI Fujifilm Business Innovation: 1 patents #3,579 of 5,238Top 70%
NT Nippon Telephone And Telegraph: 1 patents #8 of 84Top 10%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
RR Ricoh Technology Research: 1 patents #2 of 9Top 25%
SO Socionext: 1 patents #229 of 541Top 45%
TC Tanaka Kogyo Co.: 1 patents #3 of 14Top 25%
TK Tokyo Kogaku Kikai: 1 patents #65 of 143Top 50%
V- V-Tex: 1 patents #8 of 18Top 45%
CK Calsonic Kansei: 1 patents #307 of 675Top 50%
Overall (All Time): #11,527 of 4,157,543Top 1%
112
Patents All Time

Issued Patents All Time

Showing 76–100 of 112 patents

Patent #TitleCo-InventorsDate
6092786 Gate valve Hiroki Oka, Yoji IIZUKA, Kenichi Nakagawa, Jun Hirose, Tatsuya Nakagome +1 more 2000-07-25
6084896 Laser light-source apparatus and method of producing light beam Fumio Ohtomo, Masayuki Momiuchi, Masahiro Ohishi, Yoshiaki Goto 2000-07-04
6081254 Color correction system of imaging apparatus Mariko Tanaka, Shinichi Yamada, Tomoko Ogawa, Yuji Sano, Kiyoharu Kishimoto +9 more 2000-06-27
6048105 Laser system for surveying Fumio Ohtomo, Masayuki Momiuchi, Masahiro Ohishi, Yoshiaki Goto 2000-04-11
6027390 Frit-sealing apparatus for cathode-ray tube Hiroshi Okuda 2000-02-22
6002696 Laser apparatus and method of controlling the same Masahiro Ohishi, Fumio Ohtomo, Masayuki Momiuchi, Yoshiaki Goto 1999-12-14
5991325 Laser beam emitting apparatus and method of driving laser light source Fumio Ohtomo, Masayuki Momiuchi, Masahiro Ohishi, Yoshiaki Goto 1999-11-23
5982537 Speaker apparatus with a picture projecting screen Yoshimi Saito, Hiroshi Matsumoto 1999-11-09
5969878 Zoom lens system 1999-10-19
5953116 Tilt detecting device Fumio Ohtomo, Jun-ichi Kodaira 1999-09-14
5945141 Screw head device for injection molding machine Makoto Shirota, Masahide Miyagawa 1999-08-31
5936987 Laser beam emitting apparatus Masahiro Ohishi, Fumio Ohtomo, Masayuki Momiuchi, Yoshiaki Goto 1999-08-10
5909455 Rotating laser beam irradiating apparatus Fumio Ohtomo, Masayuki Momiuchi, Masahiro Ohishi, Yoshiaki Goto 1999-06-01
5898489 Laser irradiation light detecting device Fumio Ohtomo, Masayuki Momiuchi, Masahiro Ohishi, Toshikazu Adegawa 1999-04-27
5825798 Laser oscillating apparatus and method of driving laser beam source Masayuki Momiuchi, Masahiro Ohishi, Yoshiaki Goto, Fumio Ohtomo 1998-10-20
5745623 Laser system for surveying Fumio Ohtomo, Masayuki Momiuchi, Masahiro Ohishi, Yoshiaki Goto 1998-04-28
5521886 Diaphragm for use with an electro-acoustic transducer and method of producing the same Toshio Hirosawa, Hachishiro Kobayashi, Itaru Tanaka 1996-05-28
5504820 Television receiver with stereo speakers 1996-04-02
5477621 Electrical capacitance instrument and manufacturing method of the same Toshiyuki Shirai, Tamio Suzuki 1995-12-26
5452025 Television set with sound-reflecting sidewalls 1995-09-19
5448647 Electric apparatus having speaker 1995-09-05
5406715 Tape measure device Mitsugu Sugawara, Toru Kodato 1995-04-18
5393255 Method of inspection for cathode-ray tube component members and apparatus used for embodying the same Yasushi Hisaoka, Yoshio Yamane, Hidenobu Murakami, Yoshimi Kinoshita, Hiroaki Tobuse +2 more 1995-02-28
5329321 Intraocular length measuring instrument with rotary optical path length variator 1994-07-12
5287204 Image recognition apparatus for judging between monochromic and color originals Katuyuki Kouno, Yoshiyuki Sorimachi, Yuzuru Suzuki, Yoshinori Awata 1994-02-15