Issued Patents All Time
Showing 51–75 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6062344 | Elevator system | Sueo Okabe | 2000-05-16 |
| 6028364 | Semiconductor device having a stress relieving mechanism | Masahiko Ogino, Akira Nagai, Shuji Eguchi, Masanori Segawa, Haruo Akahoshi +4 more | 2000-02-22 |
| 5677045 | Laminate and multilayer printed circuit board | Akira Nagai, Masatsugu Ogata, Shuji Eguchi, Masahiko Ogino, Masanori Segawa +3 more | 1997-10-14 |
| 5579869 | Secondary conductor of an elevator-driving linear induction motor | Masamoto Mizuno | 1996-12-03 |
| 5547059 | Linear motor elevator system | Eiki Watanabe, Masamoto Mizuno, Kazuhiko Sugita | 1996-08-20 |
| 5448653 | Line segment attribute recognition device having accuracy updating function | Osamu Hori, Shigeyoshi Shimotsuji, Fumihiko Hoshino | 1995-09-05 |
| 5393941 | Controller for ropeless elevator | Masamoto Mizuno | 1995-02-28 |
| 5373391 | Polygon mirror with embedded yoke | Soichi Isobe, Kimio Komata, Yuuichi Komai | 1994-12-13 |
| 5345047 | Joining segments of the secondary in a linear motor driven elevator apparatus | Masamoto Mizuno, Kazuhiko Sugita | 1994-09-06 |
| 5238508 | Ferritic-austenitic duplex stainless steel | Akira Yoshitake, Akio Kuhara | 1993-08-24 |
| 5183980 | Linear motor elevator device with a null-flux position adjustment | Shigeru Okuma, Takeshi Furuhashi, Hiroyuki Ikejima | 1993-02-02 |
| 5174416 | Linear induction motor for elevator | Shigekazu Sakabe, Takehiko Kubota, Kazuhiko Sugita, Hiroyuki Ikejima | 1992-12-29 |
| 5158156 | Linear motor elevator with support wings for mounting secondary side magnets on an elevator car | Shigeru Okuma, Takeshi Furuhashi, Hiroyuki Ikejima | 1992-10-27 |
| 5141082 | Linear motor elevator system | Hiroyuki Ikejima, Hirosi Yosikawa, Kazuhiko Sugita, Shigekazu Sakabe, Hidehiko Sugimoto +2 more | 1992-08-25 |
| 4673062 | Position control system for elevator | — | 1987-06-16 |
| 4629035 | Speed control apparatus for elevator | Tooru Tanahashi, Shuzo Mitsui | 1986-12-16 |
| 4616733 | Method and apparatus for reducing gear backlash impacts in an elevator system | — | 1986-10-14 |
| 4447757 | Structure of thin-film electroluminescent display panel sealed by glass substrates | Masashi Kawaguchi, Kinichi Isaka, Hisashi Uede | 1984-05-08 |
| 4427772 | Apparatus having automatic calibration for determining hydrogen peroxide concentration | Yasuo Kodera, Minoru Ohashi | 1984-01-24 |
| 4394721 | Thyristor power converter with switched impedance | — | 1983-07-19 |
| 4380045 | Thyristor convertor failure detection device | — | 1983-04-12 |
| 4373610 | Speed control apparatus for elevator | — | 1983-02-15 |
| 4357996 | Speed control device for an elevator | Takanobu Masaki | 1982-11-09 |
| 4284175 | Emergency stop apparatus for electric elevators | Eiki Watanabe | 1981-08-18 |
| 4269286 | Speed control apparatus for elevator system | Eiki Watanabe | 1981-05-26 |