NK

Nobuyasu Kawai

KS Kobe Steel: 3 patents #309 of 2,031Top 20%
OI Oiles: 2 patents #84 of 253Top 35%
OC Okumura Co.: 2 patents #1 of 25Top 4%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
Overall (All Time): #763,424 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5934029 Base isolator having mutually eccentric rotators Kazuaki Shiki 1999-08-10
5544452 Method of and apparatus for damping the vibration of a building Takafumi Fujita, Ikuo Shimoda, Masami Mochimaru, Susumu Otsuka, Kurimoto Kurimoto +1 more 1996-08-13
5536334 Permanent magnet and a manufacturing method thereof Osamu Kobayashi, Tatsuya Shimoda, Koji Akioka, Toshiaki Yamagami 1996-07-16
4825522 Method of making heat resistant heavy-duty components of a turbine by superplasticity forging wherein different alloys are junctioned Kenji Iwai, Seiya Furuta, Hiroshi Takigawa 1989-05-02
4671930 High hardness and high toughness nitriding powder metallurgical high-speed steel Minoru Hirano, Hajime Esaka, Hirofumi Fujimoto 1987-06-09
4601087 Method for cladding interior surfaces with externally prefabricated cladding material Kunihiko Tsuji, Kohichi Beppu 1986-07-22
4599109 High hardness and high toughness nitriding powder metallurgical high-speed steel Minoru Hirano, Hiromune Manto, Hajime Esaka, Hirofumi Fujimoto 1986-07-08