SK

Seiji Katayama

TI Toyota Industries: 16 patents #358 of 1,610Top 25%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
SC Shin-Etsu Chemical Co.: 2 patents #1,026 of 2,176Top 50%
TC Taiho Kogyo Co.: 2 patents #102 of 332Top 35%
OU Osaka University: 1 patents #681 of 1,984Top 35%
SN San Nopco: 1 patents #6 of 20Top 30%
SM Suzuki Motor: 1 patents #523 of 1,209Top 45%
KC Kuroki Kogyosho Co.: 1 patents #4 of 11Top 40%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #139,438 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
8692152 Laser lap welding method for galvanized steel sheets Yosuke Kawahito 2014-04-08
8257978 Method of evaluating reaction between dissolved hydrogen and dissolved oxygen and method of evaluating ability of dissolved hydrogen to scavenge active oxygen in water Yumiko Katayama 2012-09-04
8168031 Method for metal-resin joining and a metal-resin composite, a method for glass-resin joining and a glass-resin composite, and a method for ceramic-resin joining and a ceramic-resin composite Yosuke Kawahito, Shuji Kubota, Akio Tange 2012-05-01
7699585 Swash plate type compressor Tetsuhiko Fukanuma, Naoya Yokomachi, Masakazu Murase, Shingo Enami, Hajime Kurita 2010-04-20
7568609 Welding method Sachio Shimohata, Masahiko Mega, Kimihiro Kishi 2009-08-04
6751971 Variable displacement type compressor, air conditioner with the variable displacement type compressor, and method for controlling displacement in the variable displacement type compressor Masahiro Kawaguchi, Takayuki Kato, Fuminobu Enokijima, Satoshi Umemura, Ryo Matsubara 2004-06-22
6694864 Swash plate type compressor Takayuki Kato, Hayato Ikeda, Masaaki Taga, Noriyuki Shintoku, Toru Takeichi +1 more 2004-02-24
6610767 Antistatic inorganic filler, resin composition containing the filler and method for preparing the inorganic filler Yumiko Takase, Ryoji Itoh, Toshiaki Matsushige, Koji Mita 2003-08-26
6575080 Single-headed piston for swash plate type compressor wherein head portion has a curved surface at axial end Fuminobu Enokijima, Takahiro Hoshida 2003-06-10
6546841 Swash plate compressor and piston therefor Takayuki Kato, Takahiro Hoshida, Fuminobu Enokijima 2003-04-15
6526869 Piston for compressors and method for producing the same Takayuki Kato, Takahiro Hoshida 2003-03-04
6484621 Swash plate type compressor wherein piston head has inner sliding portion for reducing local wear Takayuki Kato, Shigeo Fukushima 2002-11-26
6453555 Method of producing compressor piston Takayuki Kato 2002-09-24
6438834 Method of making a swash plate type compressor piston whose head portion is formed by pore-free die-casting Masato Takamatsu, Takayuki Kato, Shigeo Fukushima 2002-08-27
6402831 Concrete containing aqueous slurry of ground calcium carbonate Haruya Sawara, Tadashi Yamauchi, Hidetoshi Morishita, Yumiko Takase 2002-06-11
6393964 Compressor having piston rotation restricting structure with lubricating inclined guide surface Takayuki Kato 2002-05-28
6395404 Blank used for manufacturing single-headed piston, and method of producing the blank Takayuki Kato, Masato Takamatsu, Shigeo Fukushima 2002-05-28
6378416 Swash plate type compressor piston wherein inner surface of hollow cylindrical section of body portion has axially extending reinforcing projections Takayuki Kato 2002-04-30
6332394 Piston for swash plate type compressor, wherein head portion includes radially inner sliding projection connected to neck portion Takayuki Kato, Shigeo Fukushima, Masato Takamatsu, Fuminobu Enokijima 2001-12-25
6217295 Swash plate type compressor Takayuki Kato, Hayato Ikeda, Masaaki Taga 2001-04-17
6192784 Swash plate compressor Takayuki Kato, Norikazu Deto, Hayato Ikeda, Noriyuki Shintoku, Shinya Kawakami +2 more 2001-02-27
6151796 Substrate drying device, drying method and substrate dried by the same Hamataro Karamatsu, Masanao Hori 2000-11-28
6123009 Swash plate of swash-plate compressor Hiroshi Kanayama, Shinya Kawakami, Chiaki Gouhara, Takayuki Kato, Masafumi Kato +1 more 2000-09-26
5168097 Laser deposition process for forming an ultrafine-particle film Takeshi Araya, Akira Matsunawa, Susumu Hioki, Mitsuaki Haneda, Ryoji Okada 1992-12-01
RE33737 Optical fiber coated with an organopolysiloxane curable actinic rays Yoshinori Hida, Shohei Kozakai, Noriyuki Meguriya 1991-11-05