P

Inventor

TOKIGUCHI KATSUMI

JP19 patents
⚠️ This page may combine multiple inventors who share the name “TOKIGUCHI KATSUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

18 patents
US5945681AAug 31, 1999

Ion implanting apparatus capable of preventing discharge flaw production on reverse side surface of wafer

HITACHI LTD53 citations96
US4543465ASep 24, 1985

Microwave plasma source having improved switching operation from plasma ignition phase to normal ion extraction phase

HITACHI LTD108 citations95
US6043499AMar 28, 2000

Charge-up prevention method and ion implanting apparatus

HITACHI LTD18 citations92
US5925886AJul 20, 1999

Ion source and an ion implanting apparatus using it

HITACHI LTD22 citations92
US5053678AOct 1, 1991

Microwave ion source

HITACHI LTD48 citations92
US4801847AJan 31, 1989

Charged particle accelerator using quadrupole electrodes

HITACHI LTD26 citations92
US4658143AApr 14, 1987

Ion source

HITACHI LTD29 citations92
US4633138ADec 30, 1986

Ion implanter

HITACHI LTD43 citations92
US4533831AAug 6, 1985

Non-mass-analyzed ion implantation

HITACHI LTD31 citations92
US4409520AOct 11, 1983

Microwave discharge ion source

HITACHI LTD29 citations92
US4393333AJul 12, 1983

Microwave plasma ion source

HITACHI LTD38 citations90
US4058748ANov 15, 1977

Microwave discharge ion source

HITACHI LTD23 citations81
US5349196ASep 20, 1994

Ion implanting apparatus

HITACHI LTD9 citations73
US4316090AFeb 16, 1982

Microwave plasma ion source

HITACHI LTD17 citations73
US6104025AAug 15, 2000

Ion implanting apparatus capable of preventing discharge flaw production on reverse side surface of wafer

HITACHI LTD4 citations62
US5506472AApr 9, 1996

Variable-frequency type radio-frequency quadrupole accelerator including quadrupole cooling means

HITACHI LTD4 citations61
US4629930ADec 16, 1986

Plasma ion source

HITACHI LTD4 citations60
US5729027AMar 17, 1998

Ion implanter

HITACHI LTD0 citations52

AGENCY IND SCIENCE TECHN

1 patent