TO

Tsutomu Onuma

HI Hitachi: 3 patents #156 of 2,942Top 6%
Canon: 1 patents #1,019 of 2,200Top 50%
Overall (1997): #5,394 of 185,788Top 3%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5654992 Method of repairing structural materials of nuclear reactor internals and apparatus therefor Keiichi Uraki, Hisanori Okamura, Toshimi Matsumoto, Toshitaka Satsuta, Mitsuo Nakamura +4 more 1997-08-05
5628449 Method of welding a carbon steel and an austenitic stainless steel together and resultant structure Toshimi Matsumoto, Masami Yada, Koji Goto, Osamu Matsushima, Hideo Suzuki +2 more 1997-05-13
5605778 Toner with wax component for developing electrostatic image Satoshi Matsunaga, Manabu Ohno, Minoru Shimojo 1997-02-25
5601411 Stainless steel type 13Cr5Ni having high toughness, and usage the same Kenichi Usami, Hiroshi Takayasu, Makoto Kanda, Masao Kawakami, Fumio Sakamoto +2 more 1997-02-11