KM

Kiyoshi Matsumoto

HI Hitachi: 18 patents #2,067 of 28,497Top 8%
TT The University Of Tokyo: 18 patents #23 of 2,633Top 1%
AC Asahi Glass Co.: 7 patents #274 of 2,251Top 15%
SI Seiko Instruments: 4 patents #389 of 1,437Top 30%
SC Sanyo Electric Co.: 4 patents #1,493 of 6,347Top 25%
TO Toyota: 3 patents #8,352 of 26,838Top 35%
Kawasaki: 3 patents #725 of 2,943Top 25%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
Aisin Seiki Kabushiki Kaisha: 2 patents #1,427 of 3,782Top 40%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
OL Olympus: 2 patents #1,626 of 3,097Top 55%
OM Omron: 2 patents #1,275 of 3,089Top 45%
KU Kyushu University, National University: 1 patents #221 of 767Top 30%
DC Dainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%
OU Osaka University: 1 patents #681 of 1,984Top 35%
NL Nikka Limited: 1 patents #4 of 12Top 35%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
SC Seimi Chemical Co.: 1 patents #35 of 75Top 50%
SI Sumitomo Heavy Industries: 1 patents #424 of 917Top 50%
MC Meiji Co.: 1 patents #75 of 202Top 40%
NT NTT: 1 patents #2,911 of 4,871Top 60%
NL Noritake Co., Limited: 1 patents #133 of 334Top 40%
Overall (All Time): #37,891 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 51–61 of 61 patents

Patent #TitleCo-InventorsDate
5414451 Three-dimensional recording and reproducing apparatus Hisataka Sugiyama, Takeshi Maeda, Motoyasu Terao, Shigenori Okamine, Tetsuya Nishida +1 more 1995-05-09
5396477 Light spot positioning method and optical disc memory apparatus employing the same Takeshi Maeda, Masuo Kasai 1995-03-07
5390599 On-line sheeter of printing system and method of changing length of cut Takashi Okada 1995-02-21
5377178 Data recording/reproducing method and apparatus using a recording medium having clock marks recorded in a wobbled track for read/write synchronization Takeshi Maeda, Takeshi Nakao, Atsushi Saito, Hiroyuki Minemura, Tetsuya Fushimi 1994-12-27
5339319 Rotary type storage apparatus and control method thereof Yuji Yamane, Toshimitsu Kaku, Yasushi Fukuda, Hitoshi Komatsu, Nobuhiro Matsumura +3 more 1994-08-16
5235591 Stack type optical disc apparatus, sealed and separate type optical head therefor and optical disc medium Shigeru Nakamura, Eiichi Seya, Seiichi Mita, Masuo Kasai, Masahiro Ojima +5 more 1993-08-10
5209835 Method for producing a specified zirconium-silicon amorphous oxide film composition by sputtering Ichiro Makino, Akira Mitsui, Mikio Takehara, Eiichi Ando, Junichi Ebisawa +3 more 1993-05-11
5034941 Optical disk apparatus having auto-focusing servo systems for multiple light spots and method of starting the auto-focusing servo systems Masuo Kasai, Takeshi Maeda 1991-07-23
4982279 Television receiver having a memorandum function Takaaki Ishii, Motoaki Asao 1991-01-01
4774552 Apparatus for and method of positioning and holding photosensitive material Takamichi Nishihama 1988-09-27
4625860 Tubular belt conveyor Mikio Kawasaki 1986-12-02