AH

Akio Hara

Sumitomo Electric Industries: 28 patents #554 of 21,551Top 3%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
OI Osaka Diamond Industrial: 2 patents #4 of 39Top 15%
HM Hitachi Medical: 2 patents #260 of 680Top 40%
SO Socionext: 1 patents #229 of 541Top 45%
KC Kuraray Co.: 1 patents #981 of 1,827Top 55%
TC Toyo Seikan Co.: 1 patents #498 of 888Top 60%
📍 Itami, JP: #47 of 1,436 inventorsTop 4%
Overall (All Time): #79,356 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDate
11488913 Semiconductor device with guard ring Toyoji Sawada, Masaki Okuno, Hirosato Ochimizu 2022-11-01
D666969 Vertical axis type wing for electricity generating windmill 2012-09-11
8052325 X-ray fluoroscope table and X-ray fluoroscope system Atsushi Hibino, Tetsuji Sairaiji 2011-11-08
7073045 Memory interface circuit having plurality of prefetch buffers, each assigned to either first prefetch buffer enabled for rewrite or second prefetch buffer disabled for rewrite during normal operation period Masaaki Tani, Kenji Furuya 2006-07-04
7028237 Internal bus testing device and method Masashi Masuda, Kohji Kitagawa 2006-04-11
6653871 Method of and circuit for controlling a clock Masashi Masuda, Hiroyoshi Yamashita, Kohji Kitagawa 2003-11-25
6312324 Superabrasive tool and method of manufacturing the same Kosuke Mitsui, Toshio Fukunishi, Kazunori Kadomura, Yukio Shimizu, Yoshio Kouta +1 more 2001-11-06
6027247 X-ray photographing apparatus Toshio Tachi, Seiji Kamimura, Mitsuru Ohnuma, Isamu Takekoshi, Michiaki Motoshima +1 more 2000-02-22
5955212 Superhard film-coated member and method of manufacturing the same Yasushi Matsumoto, Kazuhito Nishimura, Hiroshi Tomimori 1999-09-21
5294676 Methacrylic resin compositions with improved tacky adhesion and method for preparation thereof Michio Chatani, Tadayuki Tsuchiya, Kazuo Ohse 1994-03-15
5037704 Hard sintered compact for a tool Tetsuo Nakai, Mitsuhiro Goto 1991-08-06
4950557 Composite tool and a process for the production of the same Tetsuo Nakai, Shuji Yazu 1990-08-21
4890782 Process for the production of a composite tool Tetsuo Nakai, Shuji Yazu 1990-01-02
4880707 Stick of composite materials and process for preparation thereof Yuichiro Kohno 1989-11-14
4861673 Composite sintered material having sandwich structure Akihiko Yamamura 1989-08-29
4755399 Process for the production of a cutting tool Hiroshi Fujii, Mitsunori Kobayashi, Yoshikatsu Mori 1988-07-05
4643620 Coated hard metal tool Hiroshi Fujii, Mitsunori Kobayashi, Yoshikatsu Mori 1987-02-17
4639352 Hard alloy containing molybdenum Mitsuo Kodama, Masaya Miyake, Minol Nakano, Tsuyoshi Asai 1987-01-27
4614638 Process for producing sintered ferrous alloys Nobuhito Kuroishi, Mitsuo Osada 1986-09-30
4600884 Apparatus for determining the continuity of holes formed in a conductive sheet 1986-07-15
4492846 Process for the production of bonded hard alloys Masaya Miyake, Shuji Yazu 1985-01-08
4442180 Sintered body for use in a cutting tool and the method for producing the same Shuji Yazu 1984-04-10
4425315 Diamond sintered compact wherein crystal particles are uniformly orientated in the particular direction and the method for producing the same Kazuo Tsuji, Shuji Yazu 1984-01-10
4412980 Method for producing a diamond sintered compact Kazuo Tsuji, Shuji Yazu 1983-11-01
4403015 Compound sintered compact for use in a tool and the method for producing the same Tetsuo Nakai, Shuji Yazu 1983-09-06